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   1  <?php
   2  /**
   3   * PHPMailer - PHP email creation and transport class.
   4   * PHP Version 5
   5   * @package PHPMailer
   6   * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
   7   * @author Marcus Bointon (Synchro/coolbru) <[email protected]>
   8   * @author Jim Jagielski (jimjag) <[email protected]>
   9   * @author Andy Prevost (codeworxtech) <[email protected]>
  10   * @author Brent R. Matzelle (original founder)
  11   * @copyright 2012 - 2014 Marcus Bointon
  12   * @copyright 2010 - 2012 Jim Jagielski
  13   * @copyright 2004 - 2009 Andy Prevost
  14   * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  15   * @note This program is distributed in the hope that it will be useful - WITHOUT
  16   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17   * FITNESS FOR A PARTICULAR PURPOSE.
  18   */
  19  
  20  /**
  21   * PHPMailer - PHP email creation and transport class.
  22   * @package PHPMailer
  23   * @author Marcus Bointon (Synchro/coolbru) <[email protected]>
  24   * @author Jim Jagielski (jimjag) <[email protected]>
  25   * @author Andy Prevost (codeworxtech) <[email protected]>
  26   * @author Brent R. Matzelle (original founder)
  27   */
  28  class PHPMailer
  29  {
  30      /**
  31       * The PHPMailer Version number.
  32       * @type string
  33       */
  34      public $Version = '5.2.9';
  35  
  36      /**
  37       * Email priority.
  38       * Options: 1 = High, 3 = Normal, 5 = low.
  39       * @type integer
  40       */
  41      public $Priority = 3;
  42  
  43      /**
  44       * The character set of the message.
  45       * @type string
  46       */
  47      public $CharSet = 'iso-8859-1';
  48  
  49      /**
  50       * The MIME Content-type of the message.
  51       * @type string
  52       */
  53      public $ContentType = 'text/plain';
  54  
  55      /**
  56       * The message encoding.
  57       * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
  58       * @type string
  59       */
  60      public $Encoding = '8bit';
  61  
  62      /**
  63       * Holds the most recent mailer error message.
  64       * @type string
  65       */
  66      public $ErrorInfo = '';
  67  
  68      /**
  69       * The From email address for the message.
  70       * @type string
  71       */
  72      public $From = 'root@localhost';
  73  
  74      /**
  75       * The From name of the message.
  76       * @type string
  77       */
  78      public $FromName = 'Root User';
  79  
  80      /**
  81       * The Sender email (Return-Path) of the message.
  82       * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  83       * @type string
  84       */
  85      public $Sender = '';
  86  
  87      /**
  88       * The Return-Path of the message.
  89       * If empty, it will be set to either From or Sender.
  90       * @type string
  91       * @deprecated Email senders should never set a return-path header;
  92       * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
  93       * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
  94       */
  95      public $ReturnPath = '';
  96  
  97      /**
  98       * The Subject of the message.
  99       * @type string
 100       */
 101      public $Subject = '';
 102  
 103      /**
 104       * An HTML or plain text message body.
 105       * If HTML then call isHTML(true).
 106       * @type string
 107       */
 108      public $Body = '';
 109  
 110      /**
 111       * The plain-text message body.
 112       * This body can be read by mail clients that do not have HTML email
 113       * capability such as mutt & Eudora.
 114       * Clients that can read HTML will view the normal Body.
 115       * @type string
 116       */
 117      public $AltBody = '';
 118  
 119      /**
 120       * An iCal message part body.
 121       * Only supported in simple alt or alt_inline message types
 122       * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
 123       * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
 124       * @link http://kigkonsult.se/iCalcreator/
 125       * @type string
 126       */
 127      public $Ical = '';
 128  
 129      /**
 130       * The complete compiled MIME message body.
 131       * @access protected
 132       * @type string
 133       */
 134      protected $MIMEBody = '';
 135  
 136      /**
 137       * The complete compiled MIME message headers.
 138       * @type string
 139       * @access protected
 140       */
 141      protected $MIMEHeader = '';
 142  
 143      /**
 144       * Extra headers that createHeader() doesn't fold in.
 145       * @type string
 146       * @access protected
 147       */
 148      protected $mailHeader = '';
 149  
 150      /**
 151       * Word-wrap the message body to this number of chars.
 152       * @type integer
 153       */
 154      public $WordWrap = 0;
 155  
 156      /**
 157       * Which method to use to send mail.
 158       * Options: "mail", "sendmail", or "smtp".
 159       * @type string
 160       */
 161      public $Mailer = 'mail';
 162  
 163      /**
 164       * The path to the sendmail program.
 165       * @type string
 166       */
 167      public $Sendmail = '/usr/sbin/sendmail';
 168  
 169      /**
 170       * Whether mail() uses a fully sendmail-compatible MTA.
 171       * One which supports sendmail's "-oi -f" options.
 172       * @type boolean
 173       */
 174      public $UseSendmailOptions = true;
 175  
 176      /**
 177       * Path to PHPMailer plugins.
 178       * Useful if the SMTP class is not in the PHP include path.
 179       * @type string
 180       * @deprecated Should not be needed now there is an autoloader.
 181       */
 182      public $PluginDir = '';
 183  
 184      /**
 185       * The email address that a reading confirmation should be sent to.
 186       * @type string
 187       */
 188      public $ConfirmReadingTo = '';
 189  
 190      /**
 191       * The hostname to use in Message-Id and Received headers
 192       * and as default HELO string.
 193       * If empty, the value returned
 194       * by SERVER_NAME is used or 'localhost.localdomain'.
 195       * @type string
 196       */
 197      public $Hostname = '';
 198  
 199      /**
 200       * An ID to be used in the Message-Id header.
 201       * If empty, a unique id will be generated.
 202       * @type string
 203       */
 204      public $MessageID = '';
 205  
 206      /**
 207       * The message Date to be used in the Date header.
 208       * If empty, the current date will be added.
 209       * @type string
 210       */
 211      public $MessageDate = '';
 212  
 213      /**
 214       * SMTP hosts.
 215       * Either a single hostname or multiple semicolon-delimited hostnames.
 216       * You can also specify a different port
 217       * for each host by using this format: [hostname:port]
 218       * (e.g. "smtp1.example.com:25;smtp2.example.com").
 219       * You can also specify encryption type, for example:
 220       * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
 221       * Hosts will be tried in order.
 222       * @type string
 223       */
 224      public $Host = 'localhost';
 225  
 226      /**
 227       * The default SMTP server port.
 228       * @type integer
 229       * @TODO Why is this needed when the SMTP class takes care of it?
 230       */
 231      public $Port = 25;
 232  
 233      /**
 234       * The SMTP HELO of the message.
 235       * Default is $Hostname.
 236       * @type string
 237       * @see PHPMailer::$Hostname
 238       */
 239      public $Helo = '';
 240  
 241      /**
 242       * The secure connection prefix.
 243       * Options: "", "ssl" or "tls"
 244       * @type string
 245       */
 246      public $SMTPSecure = '';
 247  
 248      /**
 249       * Whether to use SMTP authentication.
 250       * Uses the Username and Password properties.
 251       * @type boolean
 252       * @see PHPMailer::$Username
 253       * @see PHPMailer::$Password
 254       */
 255      public $SMTPAuth = false;
 256  
 257      /**
 258       * SMTP username.
 259       * @type string
 260       */
 261      public $Username = '';
 262  
 263      /**
 264       * SMTP password.
 265       * @type string
 266       */
 267      public $Password = '';
 268  
 269      /**
 270       * SMTP auth type.
 271       * Options are LOGIN (default), PLAIN, NTLM, CRAM-MD5
 272       * @type string
 273       */
 274      public $AuthType = '';
 275  
 276      /**
 277       * SMTP realm.
 278       * Used for NTLM auth
 279       * @type string
 280       */
 281      public $Realm = '';
 282  
 283      /**
 284       * SMTP workstation.
 285       * Used for NTLM auth
 286       * @type string
 287       */
 288      public $Workstation = '';
 289  
 290      /**
 291       * The SMTP server timeout in seconds.
 292       * @type integer
 293       */
 294      public $Timeout = 10;
 295  
 296      /**
 297       * SMTP class debug output mode.
 298       * Debug output level.
 299       * Options:
 300       * * `0` No output
 301       * * `1` Commands
 302       * * `2` Data and commands
 303       * * `3` As 2 plus connection status
 304       * * `4` Low-level data output
 305       * @type integer
 306       * @see SMTP::$do_debug
 307       */
 308      public $SMTPDebug = 0;
 309  
 310      /**
 311       * How to handle debug output.
 312       * Options:
 313       * * `echo` Output plain-text as-is, appropriate for CLI
 314       * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
 315       * * `error_log` Output to error log as configured in php.ini
 316       *
 317       * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
 318       * <code>
 319       * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
 320       * </code>
 321       * @type string|callable
 322       * @see SMTP::$Debugoutput
 323       */
 324      public $Debugoutput = 'echo';
 325  
 326      /**
 327       * Whether to keep SMTP connection open after each message.
 328       * If this is set to true then to close the connection
 329       * requires an explicit call to smtpClose().
 330       * @type boolean
 331       */
 332      public $SMTPKeepAlive = false;
 333  
 334      /**
 335       * Whether to split multiple to addresses into multiple messages
 336       * or send them all in one message.
 337       * @type boolean
 338       */
 339      public $SingleTo = false;
 340  
 341      /**
 342       * Storage for addresses when SingleTo is enabled.
 343       * @type array
 344       * @TODO This should really not be public
 345       */
 346      public $SingleToArray = array();
 347  
 348      /**
 349       * Whether to generate VERP addresses on send.
 350       * Only applicable when sending via SMTP.
 351       * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
 352       * @link http://www.postfix.org/VERP_README.html Postfix VERP info
 353       * @type boolean
 354       */
 355      public $do_verp = false;
 356  
 357      /**
 358       * Whether to allow sending messages with an empty body.
 359       * @type boolean
 360       */
 361      public $AllowEmpty = false;
 362  
 363      /**
 364       * The default line ending.
 365       * @note The default remains "\n". We force CRLF where we know
 366       *        it must be used via self::CRLF.
 367       * @type string
 368       */
 369      public $LE = "\n";
 370  
 371      /**
 372       * DKIM selector.
 373       * @type string
 374       */
 375      public $DKIM_selector = '';
 376  
 377      /**
 378       * DKIM Identity.
 379       * Usually the email address used as the source of the email
 380       * @type string
 381       */
 382      public $DKIM_identity = '';
 383  
 384      /**
 385       * DKIM passphrase.
 386       * Used if your key is encrypted.
 387       * @type string
 388       */
 389      public $DKIM_passphrase = '';
 390  
 391      /**
 392       * DKIM signing domain name.
 393       * @example 'example.com'
 394       * @type string
 395       */
 396      public $DKIM_domain = '';
 397  
 398      /**
 399       * DKIM private key file path.
 400       * @type string
 401       */
 402      public $DKIM_private = '';
 403  
 404      /**
 405       * Callback Action function name.
 406       *
 407       * The function that handles the result of the send email action.
 408       * It is called out by send() for each email sent.
 409       *
 410       * Value can be any php callable: http://www.php.net/is_callable
 411       *
 412       * Parameters:
 413       *   boolean $result        result of the send action
 414       *   string  $to            email address of the recipient
 415       *   string  $cc            cc email addresses
 416       *   string  $bcc           bcc email addresses
 417       *   string  $subject       the subject
 418       *   string  $body          the email body
 419       *   string  $from          email address of sender
 420       * @type string
 421       */
 422      public $action_function = '';
 423  
 424      /**
 425       * What to use in the X-Mailer header.
 426       * Options: null for default, whitespace for none, or a string to use
 427       * @type string
 428       */
 429      public $XMailer = '';
 430  
 431      /**
 432       * An instance of the SMTP sender class.
 433       * @type SMTP
 434       * @access protected
 435       */
 436      protected $smtp = null;
 437  
 438      /**
 439       * The array of 'to' addresses.
 440       * @type array
 441       * @access protected
 442       */
 443      protected $to = array();
 444  
 445      /**
 446       * The array of 'cc' addresses.
 447       * @type array
 448       * @access protected
 449       */
 450      protected $cc = array();
 451  
 452      /**
 453       * The array of 'bcc' addresses.
 454       * @type array
 455       * @access protected
 456       */
 457      protected $bcc = array();
 458  
 459      /**
 460       * The array of reply-to names and addresses.
 461       * @type array
 462       * @access protected
 463       */
 464      protected $ReplyTo = array();
 465  
 466      /**
 467       * An array of all kinds of addresses.
 468       * Includes all of $to, $cc, $bcc, $replyto
 469       * @type array
 470       * @access protected
 471       */
 472      protected $all_recipients = array();
 473  
 474      /**
 475       * The array of attachments.
 476       * @type array
 477       * @access protected
 478       */
 479      protected $attachment = array();
 480  
 481      /**
 482       * The array of custom headers.
 483       * @type array
 484       * @access protected
 485       */
 486      protected $CustomHeader = array();
 487  
 488      /**
 489       * The most recent Message-ID (including angular brackets).
 490       * @type string
 491       * @access protected
 492       */
 493      protected $lastMessageID = '';
 494  
 495      /**
 496       * The message's MIME type.
 497       * @type string
 498       * @access protected
 499       */
 500      protected $message_type = '';
 501  
 502      /**
 503       * The array of MIME boundary strings.
 504       * @type array
 505       * @access protected
 506       */
 507      protected $boundary = array();
 508  
 509      /**
 510       * The array of available languages.
 511       * @type array
 512       * @access protected
 513       */
 514      protected $language = array();
 515  
 516      /**
 517       * The number of errors encountered.
 518       * @type integer
 519       * @access protected
 520       */
 521      protected $error_count = 0;
 522  
 523      /**
 524       * The S/MIME certificate file path.
 525       * @type string
 526       * @access protected
 527       */
 528      protected $sign_cert_file = '';
 529  
 530      /**
 531       * The S/MIME key file path.
 532       * @type string
 533       * @access protected
 534       */
 535      protected $sign_key_file = '';
 536  
 537      /**
 538       * The S/MIME password for the key.
 539       * Used only if the key is encrypted.
 540       * @type string
 541       * @access protected
 542       */
 543      protected $sign_key_pass = '';
 544  
 545      /**
 546       * Whether to throw exceptions for errors.
 547       * @type boolean
 548       * @access protected
 549       */
 550      protected $exceptions = false;
 551  
 552      /**
 553       * Error severity: message only, continue processing.
 554       */
 555      const STOP_MESSAGE = 0;
 556  
 557      /**
 558       * Error severity: message, likely ok to continue processing.
 559       */
 560      const STOP_CONTINUE = 1;
 561  
 562      /**
 563       * Error severity: message, plus full stop, critical error reached.
 564       */
 565      const STOP_CRITICAL = 2;
 566  
 567      /**
 568       * SMTP RFC standard line ending.
 569       */
 570      const CRLF = "\r\n";
 571  
 572      /**
 573       * Constructor.
 574       * @param boolean $exceptions Should we throw external exceptions?
 575       */
 576      public function __construct($exceptions = false)
 577      {
 578          $this->exceptions = ($exceptions == true);
 579      }
 580  
 581      /**
 582       * Destructor.
 583       */
 584      public function __destruct()
 585      {
 586          if ($this->Mailer == 'smtp') { //close any open SMTP connection nicely
 587              $this->smtpClose();
 588          }
 589      }
 590  
 591      /**
 592       * Call mail() in a safe_mode-aware fashion.
 593       * Also, unless sendmail_path points to sendmail (or something that
 594       * claims to be sendmail), don't pass params (not a perfect fix,
 595       * but it will do)
 596       * @param string $to To
 597       * @param string $subject Subject
 598       * @param string $body Message Body
 599       * @param string $header Additional Header(s)
 600       * @param string $params Params
 601       * @access private
 602       * @return boolean
 603       */
 604      private function mailPassthru($to, $subject, $body, $header, $params)
 605      {
 606          //Check overloading of mail function to avoid double-encoding
 607          if (ini_get('mbstring.func_overload') & 1) {
 608              $subject = $this->secureHeader($subject);
 609          } else {
 610              $subject = $this->encodeHeader($this->secureHeader($subject));
 611          }
 612          if (ini_get('safe_mode') || !($this->UseSendmailOptions)) {
 613              $result = @mail($to, $subject, $body, $header);
 614          } else {
 615              $result = @mail($to, $subject, $body, $header, $params);
 616          }
 617          return $result;
 618      }
 619  
 620      /**
 621       * Output debugging info via user-defined method.
 622       * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
 623       * @see PHPMailer::$Debugoutput
 624       * @see PHPMailer::$SMTPDebug
 625       * @param string $str
 626       */
 627      protected function edebug($str)
 628      {
 629          if ($this->SMTPDebug <= 0) {
 630              return;
 631          }
 632          if (is_callable($this->Debugoutput)) {
 633              call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
 634              return;
 635          }
 636          switch ($this->Debugoutput) {
 637              case 'error_log':
 638                  //Don't output, just log
 639                  error_log($str);
 640                  break;
 641              case 'html':
 642                  //Cleans up output a bit for a better looking, HTML-safe output
 643                  echo htmlentities(
 644                      preg_replace('/[\r\n]+/', '', $str),
 645                      ENT_QUOTES,
 646                      'UTF-8'
 647                  )
 648                  . "<br>\n";
 649                  break;
 650              case 'echo':
 651              default:
 652                  //Normalize line breaks
 653                  $str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
 654                  echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
 655                      "\n",
 656                      "\n                   \t                  ",
 657                      trim($str)
 658                  ) . "\n";
 659          }
 660      }
 661  
 662      /**
 663       * Sets message type to HTML or plain.
 664       * @param boolean $isHtml True for HTML mode.
 665       * @return void
 666       */
 667      public function isHTML($isHtml = true)
 668      {
 669          if ($isHtml) {
 670              $this->ContentType = 'text/html';
 671          } else {
 672              $this->ContentType = 'text/plain';
 673          }
 674      }
 675  
 676      /**
 677       * Send messages using SMTP.
 678       * @return void
 679       */
 680      public function isSMTP()
 681      {
 682          $this->Mailer = 'smtp';
 683      }
 684  
 685      /**
 686       * Send messages using PHP's mail() function.
 687       * @return void
 688       */
 689      public function isMail()
 690      {
 691          $this->Mailer = 'mail';
 692      }
 693  
 694      /**
 695       * Send messages using $Sendmail.
 696       * @return void
 697       */
 698      public function isSendmail()
 699      {
 700          $ini_sendmail_path = ini_get('sendmail_path');
 701  
 702          if (!stristr($ini_sendmail_path, 'sendmail')) {
 703              $this->Sendmail = '/usr/sbin/sendmail';
 704          } else {
 705              $this->Sendmail = $ini_sendmail_path;
 706          }
 707          $this->Mailer = 'sendmail';
 708      }
 709  
 710      /**
 711       * Send messages using qmail.
 712       * @return void
 713       */
 714      public function isQmail()
 715      {
 716          $ini_sendmail_path = ini_get('sendmail_path');
 717  
 718          if (!stristr($ini_sendmail_path, 'qmail')) {
 719              $this->Sendmail = '/var/qmail/bin/qmail-inject';
 720          } else {
 721              $this->Sendmail = $ini_sendmail_path;
 722          }
 723          $this->Mailer = 'qmail';
 724      }
 725  
 726      /**
 727       * Add a "To" address.
 728       * @param string $address
 729       * @param string $name
 730       * @return boolean true on success, false if address already used
 731       */
 732      public function addAddress($address, $name = '')
 733      {
 734          return $this->addAnAddress('to', $address, $name);
 735      }
 736  
 737      /**
 738       * Add a "CC" address.
 739       * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
 740       * @param string $address
 741       * @param string $name
 742       * @return boolean true on success, false if address already used
 743       */
 744      public function addCC($address, $name = '')
 745      {
 746          return $this->addAnAddress('cc', $address, $name);
 747      }
 748  
 749      /**
 750       * Add a "BCC" address.
 751       * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
 752       * @param string $address
 753       * @param string $name
 754       * @return boolean true on success, false if address already used
 755       */
 756      public function addBCC($address, $name = '')
 757      {
 758          return $this->addAnAddress('bcc', $address, $name);
 759      }
 760  
 761      /**
 762       * Add a "Reply-to" address.
 763       * @param string $address
 764       * @param string $name
 765       * @return boolean
 766       */
 767      public function addReplyTo($address, $name = '')
 768      {
 769          return $this->addAnAddress('Reply-To', $address, $name);
 770      }
 771  
 772      /**
 773       * Add an address to one of the recipient arrays.
 774       * Addresses that have been added already return false, but do not throw exceptions
 775       * @param string $kind One of 'to', 'cc', 'bcc', 'ReplyTo'
 776       * @param string $address The email address to send to
 777       * @param string $name
 778       * @throws phpmailerException
 779       * @return boolean true on success, false if address already used or invalid in some way
 780       * @access protected
 781       */
 782      protected function addAnAddress($kind, $address, $name = '')
 783      {
 784          if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind)) {
 785              $this->setError($this->lang('Invalid recipient array') . ': ' . $kind);
 786              $this->edebug($this->lang('Invalid recipient array') . ': ' . $kind);
 787              if ($this->exceptions) {
 788                  throw new phpmailerException('Invalid recipient array: ' . $kind);
 789              }
 790              return false;
 791          }
 792          $address = trim($address);
 793          $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 794          if (!$this->validateAddress($address)) {
 795              $this->setError($this->lang('invalid_address') . ': ' . $address);
 796              $this->edebug($this->lang('invalid_address') . ': ' . $address);
 797              if ($this->exceptions) {
 798                  throw new phpmailerException($this->lang('invalid_address') . ': ' . $address);
 799              }
 800              return false;
 801          }
 802          if ($kind != 'Reply-To') {
 803              if (!isset($this->all_recipients[strtolower($address)])) {
 804                  array_push($this->$kind, array($address, $name));
 805                  $this->all_recipients[strtolower($address)] = true;
 806                  return true;
 807              }
 808          } else {
 809              if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
 810                  $this->ReplyTo[strtolower($address)] = array($address, $name);
 811                  return true;
 812              }
 813          }
 814          return false;
 815      }
 816  
 817      /**
 818       * Set the From and FromName properties.
 819       * @param string $address
 820       * @param string $name
 821       * @param boolean $auto Whether to also set the Sender address, defaults to true
 822       * @throws phpmailerException
 823       * @return boolean
 824       */
 825      public function setFrom($address, $name = '', $auto = true)
 826      {
 827          $address = trim($address);
 828          $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 829          if (!$this->validateAddress($address)) {
 830              $this->setError($this->lang('invalid_address') . ': ' . $address);
 831              $this->edebug($this->lang('invalid_address') . ': ' . $address);
 832              if ($this->exceptions) {
 833                  throw new phpmailerException($this->lang('invalid_address') . ': ' . $address);
 834              }
 835              return false;
 836          }
 837          $this->From = $address;
 838          $this->FromName = $name;
 839          if ($auto) {
 840              if (empty($this->Sender)) {
 841                  $this->Sender = $address;
 842              }
 843          }
 844          return true;
 845      }
 846  
 847      /**
 848       * Return the Message-ID header of the last email.
 849       * Technically this is the value from the last time the headers were created,
 850       * but it's also the message ID of the last sent message except in
 851       * pathological cases.
 852       * @return string
 853       */
 854      public function getLastMessageID()
 855      {
 856          return $this->lastMessageID;
 857      }
 858  
 859      /**
 860       * Check that a string looks like an email address.
 861       * @param string $address The email address to check
 862       * @param string $patternselect A selector for the validation pattern to use :
 863       * * `auto` Pick strictest one automatically;
 864       * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
 865       * * `pcre` Use old PCRE implementation;
 866       * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL; same as pcre8 but does not allow 'dotless' domains;
 867       * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
 868       * * `noregex` Don't use a regex: super fast, really dumb.
 869       * @return boolean
 870       * @static
 871       * @access public
 872       */
 873      public static function validateAddress($address, $patternselect = 'auto')
 874      {
 875          if (!$patternselect or $patternselect == 'auto') {
 876              //Check this constant first so it works when extension_loaded() is disabled by safe mode
 877              //Constant was added in PHP 5.2.4
 878              if (defined('PCRE_VERSION')) {
 879                  //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
 880                  if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
 881                      $patternselect = 'pcre8';
 882                  } else {
 883                      $patternselect = 'pcre';
 884                  }
 885              } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
 886                  //Fall back to older PCRE
 887                  $patternselect = 'pcre';
 888              } else {
 889                  //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
 890                  if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
 891                      $patternselect = 'php';
 892                  } else {
 893                      $patternselect = 'noregex';
 894                  }
 895              }
 896          }
 897          switch ($patternselect) {
 898              case 'pcre8':
 899                  /**
 900                   * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
 901                   * @link http://squiloople.com/2009/12/20/email-address-validation/
 902                   * @copyright 2009-2010 Michael Rushton
 903                   * Feel free to use and redistribute this code. But please keep this copyright notice.
 904                   */
 905                  return (boolean)preg_match(
 906                      '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
 907                      '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
 908                      '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
 909                      '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
 910                      '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
 911                      '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
 912                      '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
 913                      '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
 914                      '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
 915                      $address
 916                  );
 917              case 'pcre':
 918                  //An older regex that doesn't need a recent PCRE
 919                  return (boolean)preg_match(
 920                      '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
 921                      '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
 922                      '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
 923                      '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
 924                      '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
 925                      '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
 926                      '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
 927                      '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
 928                      '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
 929                      '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
 930                      $address
 931                  );
 932              case 'html5':
 933                  /**
 934                   * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
 935                   * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
 936                   */
 937                  return (boolean)preg_match(
 938                      '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
 939                      '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
 940                      $address
 941                  );
 942              case 'noregex':
 943                  //No PCRE! Do something _very_ approximate!
 944                  //Check the address is 3 chars or longer and contains an @ that's not the first or last char
 945                  return (strlen($address) >= 3
 946                      and strpos($address, '@') >= 1
 947                      and strpos($address, '@') != strlen($address) - 1);
 948              case 'php':
 949              default:
 950                  return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
 951          }
 952      }
 953  
 954      /**
 955       * Create a message and send it.
 956       * Uses the sending method specified by $Mailer.
 957       * @throws phpmailerException
 958       * @return boolean false on error - See the ErrorInfo property for details of the error.
 959       */
 960      public function send()
 961      {
 962          try {
 963              if (!$this->preSend()) {
 964                  return false;
 965              }
 966              return $this->postSend();
 967          } catch (phpmailerException $exc) {
 968              $this->mailHeader = '';
 969              $this->setError($exc->getMessage());
 970              if ($this->exceptions) {
 971                  throw $exc;
 972              }
 973              return false;
 974          }
 975      }
 976  
 977      /**
 978       * Prepare a message for sending.
 979       * @throws phpmailerException
 980       * @return boolean
 981       */
 982      public function preSend()
 983      {
 984          try {
 985              $this->mailHeader = '';
 986              if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
 987                  throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
 988              }
 989  
 990              // Set whether the message is multipart/alternative
 991              if (!empty($this->AltBody)) {
 992                  $this->ContentType = 'multipart/alternative';
 993              }
 994  
 995              $this->error_count = 0; // reset errors
 996              $this->setMessageType();
 997              // Refuse to send an empty message unless we are specifically allowing it
 998              if (!$this->AllowEmpty and empty($this->Body)) {
 999                  throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
1000              }
1001  
1002              $this->MIMEHeader = $this->createHeader();
1003              $this->MIMEBody = $this->createBody();
1004  
1005              // To capture the complete message when using mail(), create
1006              // an extra header list which createHeader() doesn't fold in
1007              if ($this->Mailer == 'mail') {
1008                  if (count($this->to) > 0) {
1009                      $this->mailHeader .= $this->addrAppend('To', $this->to);
1010                  } else {
1011                      $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
1012                  }
1013                  $this->mailHeader .= $this->headerLine(
1014                      'Subject',
1015                      $this->encodeHeader($this->secureHeader(trim($this->Subject)))
1016                  );
1017              }
1018  
1019              // Sign with DKIM if enabled
1020              if (!empty($this->DKIM_domain)
1021                  && !empty($this->DKIM_private)
1022                  && !empty($this->DKIM_selector)
1023                  && !empty($this->DKIM_domain)
1024                  && file_exists($this->DKIM_private)) {
1025                  $header_dkim = $this->DKIM_Add(
1026                      $this->MIMEHeader . $this->mailHeader,
1027                      $this->encodeHeader($this->secureHeader($this->Subject)),
1028                      $this->MIMEBody
1029                  );
1030                  $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
1031                      str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
1032              }
1033              return true;
1034  
1035          } catch (phpmailerException $exc) {
1036              $this->setError($exc->getMessage());
1037              if ($this->exceptions) {
1038                  throw $exc;
1039              }
1040              return false;
1041          }
1042      }
1043  
1044      /**
1045       * Actually send a message.
1046       * Send the email via the selected mechanism
1047       * @throws phpmailerException
1048       * @return boolean
1049       */
1050      public function postSend()
1051      {
1052          try {
1053              // Choose the mailer and send through it
1054              switch ($this->Mailer) {
1055                  case 'sendmail':
1056                  case 'qmail':
1057                      return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
1058                  case 'smtp':
1059                      return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
1060                  case 'mail':
1061                      return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1062                  default:
1063                      $sendMethod = $this->Mailer.'Send';
1064                      if (method_exists($this, $sendMethod)) {
1065                          return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
1066                      }
1067  
1068                      return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1069              }
1070          } catch (phpmailerException $exc) {
1071              $this->setError($exc->getMessage());
1072              $this->edebug($exc->getMessage());
1073              if ($this->exceptions) {
1074                  throw $exc;
1075              }
1076          }
1077          return false;
1078      }
1079  
1080      /**
1081       * Send mail using the $Sendmail program.
1082       * @param string $header The message headers
1083       * @param string $body The message body
1084       * @see PHPMailer::$Sendmail
1085       * @throws phpmailerException
1086       * @access protected
1087       * @return boolean
1088       */
1089      protected function sendmailSend($header, $body)
1090      {
1091          if ($this->Sender != '') {
1092              if ($this->Mailer == 'qmail') {
1093                  $sendmail = sprintf('%s -f%s', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
1094              } else {
1095                  $sendmail = sprintf('%s -oi -f%s -t', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
1096              }
1097          } else {
1098              if ($this->Mailer == 'qmail') {
1099                  $sendmail = sprintf('%s', escapeshellcmd($this->Sendmail));
1100              } else {
1101                  $sendmail = sprintf('%s -oi -t', escapeshellcmd($this->Sendmail));
1102              }
1103          }
1104          if ($this->SingleTo === true) {
1105              foreach ($this->SingleToArray as $toAddr) {
1106                  if (!@$mail = popen($sendmail, 'w')) {
1107                      throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1108                  }
1109                  fputs($mail, 'To: ' . $toAddr . "\n");
1110                  fputs($mail, $header);
1111                  fputs($mail, $body);
1112                  $result = pclose($mail);
1113                  $this->doCallback(
1114                      ($result == 0),
1115                      array($toAddr),
1116                      $this->cc,
1117                      $this->bcc,
1118                      $this->Subject,
1119                      $body,
1120                      $this->From
1121                  );
1122                  if ($result != 0) {
1123                      throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1124                  }
1125              }
1126          } else {
1127              if (!@$mail = popen($sendmail, 'w')) {
1128                  throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1129              }
1130              fputs($mail, $header);
1131              fputs($mail, $body);
1132              $result = pclose($mail);
1133              $this->doCallback(($result == 0), $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
1134              if ($result != 0) {
1135                  throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1136              }
1137          }
1138          return true;
1139      }
1140  
1141      /**
1142       * Send mail using the PHP mail() function.
1143       * @param string $header The message headers
1144       * @param string $body The message body
1145       * @link http://www.php.net/manual/en/book.mail.php
1146       * @throws phpmailerException
1147       * @access protected
1148       * @return boolean
1149       */
1150      protected function mailSend($header, $body)
1151      {
1152          $toArr = array();
1153          foreach ($this->to as $toaddr) {
1154              $toArr[] = $this->addrFormat($toaddr);
1155          }
1156          $to = implode(', ', $toArr);
1157  
1158          if (empty($this->Sender)) {
1159              $params = ' ';
1160          } else {
1161              $params = sprintf('-f%s', $this->Sender);
1162          }
1163          if ($this->Sender != '' and !ini_get('safe_mode')) {
1164              $old_from = ini_get('sendmail_from');
1165              ini_set('sendmail_from', $this->Sender);
1166          }
1167          $result = false;
1168          if ($this->SingleTo === true && count($toArr) > 1) {
1169              foreach ($toArr as $toAddr) {
1170                  $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
1171                  $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
1172              }
1173          } else {
1174              $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
1175              $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
1176          }
1177          if (isset($old_from)) {
1178              ini_set('sendmail_from', $old_from);
1179          }
1180          if (!$result) {
1181              throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
1182          }
1183          return true;
1184      }
1185  
1186      /**
1187       * Get an instance to use for SMTP operations.
1188       * Override this function to load your own SMTP implementation
1189       * @return SMTP
1190       */
1191      public function getSMTPInstance()
1192      {
1193          if (!is_object($this->smtp)) {
1194              $this->smtp = new SMTP;
1195          }
1196          return $this->smtp;
1197      }
1198  
1199      /**
1200       * Send mail via SMTP.
1201       * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
1202       * Uses the PHPMailerSMTP class by default.
1203       * @see PHPMailer::getSMTPInstance() to use a different class.
1204       * @param string $header The message headers
1205       * @param string $body The message body
1206       * @throws phpmailerException
1207       * @uses SMTP
1208       * @access protected
1209       * @return boolean
1210       */
1211      protected function smtpSend($header, $body)
1212      {
1213          $bad_rcpt = array();
1214  
1215          if (!$this->smtpConnect()) {
1216              throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
1217          }
1218          $smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
1219          if (!$this->smtp->mail($smtp_from)) {
1220              $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
1221              throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
1222          }
1223  
1224          // Attempt to send to all recipients
1225          foreach ($this->to as $to) {
1226              if (!$this->smtp->recipient($to[0])) {
1227                  $bad_rcpt[] = $to[0];
1228                  $isSent = false;
1229              } else {
1230                  $isSent = true;
1231              }
1232              $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
1233          }
1234          foreach ($this->cc as $cc) {
1235              if (!$this->smtp->recipient($cc[0])) {
1236                  $bad_rcpt[] = $cc[0];
1237                  $isSent = false;
1238              } else {
1239                  $isSent = true;
1240              }
1241              $this->doCallback($isSent, array(), array($cc[0]), array(), $this->Subject, $body, $this->From);
1242          }
1243          foreach ($this->bcc as $bcc) {
1244              if (!$this->smtp->recipient($bcc[0])) {
1245                  $bad_rcpt[] = $bcc[0];
1246                  $isSent = false;
1247              } else {
1248                  $isSent = true;
1249              }
1250              $this->doCallback($isSent, array(), array(), array($bcc[0]), $this->Subject, $body, $this->From);
1251          }
1252  
1253          // Only send the DATA command if we have viable recipients
1254          if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
1255              throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
1256          }
1257          if ($this->SMTPKeepAlive == true) {
1258              $this->smtp->reset();
1259          } else {
1260              $this->smtp->quit();
1261              $this->smtp->close();
1262          }
1263          if (count($bad_rcpt) > 0) { // Create error message for any bad addresses
1264              throw new phpmailerException(
1265                  $this->lang('recipients_failed') . implode(', ', $bad_rcpt),
1266                  self::STOP_CONTINUE
1267              );
1268          }
1269          return true;
1270      }
1271  
1272      /**
1273       * Initiate a connection to an SMTP server.
1274       * Returns false if the operation failed.
1275       * @param array $options An array of options compatible with stream_context_create()
1276       * @uses SMTP
1277       * @access public
1278       * @throws phpmailerException
1279       * @return boolean
1280       */
1281      public function smtpConnect($options = array())
1282      {
1283          if (is_null($this->smtp)) {
1284              $this->smtp = $this->getSMTPInstance();
1285          }
1286  
1287          // Already connected?
1288          if ($this->smtp->connected()) {
1289              return true;
1290          }
1291  
1292          $this->smtp->setTimeout($this->Timeout);
1293          $this->smtp->setDebugLevel($this->SMTPDebug);
1294          $this->smtp->setDebugOutput($this->Debugoutput);
1295          $this->smtp->setVerp($this->do_verp);
1296          $hosts = explode(';', $this->Host);
1297          $lastexception = null;
1298  
1299          foreach ($hosts as $hostentry) {
1300              $hostinfo = array();
1301              if (!preg_match('/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*):?([0-9]*)$/', trim($hostentry), $hostinfo)) {
1302                  // Not a valid host entry
1303                  continue;
1304              }
1305              // $hostinfo[2]: optional ssl or tls prefix
1306              // $hostinfo[3]: the hostname
1307              // $hostinfo[4]: optional port number
1308              // The host string prefix can temporarily override the current setting for SMTPSecure
1309              // If it's not specified, the default value is used
1310              $prefix = '';
1311              $tls = ($this->SMTPSecure == 'tls');
1312              if ($hostinfo[2] == 'ssl' or ($hostinfo[2] == '' and $this->SMTPSecure == 'ssl')) {
1313                  $prefix = 'ssl://';
1314                  $tls = false; // Can't have SSL and TLS at once
1315              } elseif ($hostinfo[2] == 'tls') {
1316                  $tls = true;
1317                  // tls doesn't use a prefix
1318              }
1319              $host = $hostinfo[3];
1320              $port = $this->Port;
1321              $tport = (integer)$hostinfo[4];
1322              if ($tport > 0 and $tport < 65536) {
1323                  $port = $tport;
1324              }
1325              if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
1326                  try {
1327                      if ($this->Helo) {
1328                          $hello = $this->Helo;
1329                      } else {
1330                          $hello = $this->serverHostname();
1331                      }
1332                      $this->smtp->hello($hello);
1333  
1334                      if ($tls) {
1335                          if (!$this->smtp->startTLS()) {
1336                              throw new phpmailerException($this->lang('connect_host'));
1337                          }
1338                          // We must resend HELO after tls negotiation
1339                          $this->smtp->hello($hello);
1340                      }
1341                      if ($this->SMTPAuth) {
1342                          if (!$this->smtp->authenticate(
1343                              $this->Username,
1344                              $this->Password,
1345                              $this->AuthType,
1346                              $this->Realm,
1347                              $this->Workstation
1348                          )
1349                          ) {
1350                              throw new phpmailerException($this->lang('authenticate'));
1351                          }
1352                      }
1353                      return true;
1354                  } catch (phpmailerException $exc) {
1355                      $lastexception = $exc;
1356                      // We must have connected, but then failed TLS or Auth, so close connection nicely
1357                      $this->smtp->quit();
1358                  }
1359              }
1360          }
1361          // If we get here, all connection attempts have failed, so close connection hard
1362          $this->smtp->close();
1363          // As we've caught all exceptions, just report whatever the last one was
1364          if ($this->exceptions and !is_null($lastexception)) {
1365              throw $lastexception;
1366          }
1367          return false;
1368      }
1369  
1370      /**
1371       * Close the active SMTP session if one exists.
1372       * @return void
1373       */
1374      public function smtpClose()
1375      {
1376          if ($this->smtp !== null) {
1377              if ($this->smtp->connected()) {
1378                  $this->smtp->quit();
1379                  $this->smtp->close();
1380              }
1381          }
1382      }
1383  
1384      /**
1385       * Set the language for error messages.
1386       * Returns false if it cannot load the language file.
1387       * The default language is English.
1388       * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
1389       * @param string $lang_path Path to the language file directory, with trailing separator (slash)
1390       * @return boolean
1391       * @access public
1392       */
1393      public function setLanguage($langcode = 'en', $lang_path = '')
1394      {
1395          // Define full set of translatable strings in English
1396          $PHPMAILER_LANG = array(
1397              'authenticate' => 'SMTP Error: Could not authenticate.',
1398              'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
1399              'data_not_accepted' => 'SMTP Error: data not accepted.',
1400              'empty_message' => 'Message body empty',
1401              'encoding' => 'Unknown encoding: ',
1402              'execute' => 'Could not execute: ',
1403              'file_access' => 'Could not access file: ',
1404              'file_open' => 'File Error: Could not open file: ',
1405              'from_failed' => 'The following From address failed: ',
1406              'instantiate' => 'Could not instantiate mail function.',
1407              'invalid_address' => 'Invalid address',
1408              'mailer_not_supported' => ' mailer is not supported.',
1409              'provide_address' => 'You must provide at least one recipient email address.',
1410              'recipients_failed' => 'SMTP Error: The following recipients failed: ',
1411              'signing' => 'Signing Error: ',
1412              'smtp_connect_failed' => 'SMTP connect() failed.',
1413              'smtp_error' => 'SMTP server error: ',
1414              'variable_set' => 'Cannot set or reset variable: '
1415          );
1416          if (empty($lang_path)) {
1417              // Calculate an absolute path so it can work if CWD is not here
1418              $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
1419          }
1420          $foundlang = true;
1421          $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
1422          if ($langcode != 'en') { // There is no English translation file
1423              // Make sure language file path is readable
1424              if (!is_readable($lang_file)) {
1425                  $foundlang = false;
1426              } else {
1427                  // Overwrite language-specific strings.
1428                  // This way we'll never have missing translations.
1429                  $foundlang = include $lang_file;
1430              }
1431          }
1432          $this->language = $PHPMAILER_LANG;
1433          return ($foundlang == true); // Returns false if language not found
1434      }
1435  
1436      /**
1437       * Get the array of strings for the current language.
1438       * @return array
1439       */
1440      public function getTranslations()
1441      {
1442          return $this->language;
1443      }
1444  
1445      /**
1446       * Create recipient headers.
1447       * @access public
1448       * @param string $type
1449       * @param array $addr An array of recipient,
1450       * where each recipient is a 2-element indexed array with element 0 containing an address
1451       * and element 1 containing a name, like:
1452       * array(array('[email protected]', 'Joe User'), array('[email protected]', 'Zoe User'))
1453       * @return string
1454       */
1455      public function addrAppend($type, $addr)
1456      {
1457          $addresses = array();
1458          foreach ($addr as $address) {
1459              $addresses[] = $this->addrFormat($address);
1460          }
1461          return $type . ': ' . implode(', ', $addresses) . $this->LE;
1462      }
1463  
1464      /**
1465       * Format an address for use in a message header.
1466       * @access public
1467       * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
1468       *      like array('[email protected]', 'Joe User')
1469       * @return string
1470       */
1471      public function addrFormat($addr)
1472      {
1473          if (empty($addr[1])) { // No name provided
1474              return $this->secureHeader($addr[0]);
1475          } else {
1476              return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
1477                  $addr[0]
1478              ) . '>';
1479          }
1480      }
1481  
1482      /**
1483       * Word-wrap message.
1484       * For use with mailers that do not automatically perform wrapping
1485       * and for quoted-printable encoded messages.
1486       * Original written by philippe.
1487       * @param string $message The message to wrap
1488       * @param integer $length The line length to wrap to
1489       * @param boolean $qp_mode Whether to run in Quoted-Printable mode
1490       * @access public
1491       * @return string
1492       */
1493      public function wrapText($message, $length, $qp_mode = false)
1494      {
1495          $soft_break = ($qp_mode) ? sprintf(' =%s', $this->LE) : $this->LE;
1496          // If utf-8 encoding is used, we will need to make sure we don't
1497          // split multibyte characters when we wrap
1498          $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
1499          $lelen = strlen($this->LE);
1500          $crlflen = strlen(self::CRLF);
1501  
1502          $message = $this->fixEOL($message);
1503          if (substr($message, -$lelen) == $this->LE) {
1504              $message = substr($message, 0, -$lelen);
1505          }
1506  
1507          $line = explode($this->LE, $message); // Magic. We know fixEOL uses $LE
1508          $message = '';
1509          for ($i = 0; $i < count($line); $i++) {
1510              $line_part = explode(' ', $line[$i]);
1511              $buf = '';
1512              for ($e = 0; $e < count($line_part); $e++) {
1513                  $word = $line_part[$e];
1514                  if ($qp_mode and (strlen($word) > $length)) {
1515                      $space_left = $length - strlen($buf) - $crlflen;
1516                      if ($e != 0) {
1517                          if ($space_left > 20) {
1518                              $len = $space_left;
1519                              if ($is_utf8) {
1520                                  $len = $this->utf8CharBoundary($word, $len);
1521                              } elseif (substr($word, $len - 1, 1) == '=') {
1522                                  $len--;
1523                              } elseif (substr($word, $len - 2, 1) == '=') {
1524                                  $len -= 2;
1525                              }
1526                              $part = substr($word, 0, $len);
1527                              $word = substr($word, $len);
1528                              $buf .= ' ' . $part;
1529                              $message .= $buf . sprintf('=%s', self::CRLF);
1530                          } else {
1531                              $message .= $buf . $soft_break;
1532                          }
1533                          $buf = '';
1534                      }
1535                      while (strlen($word) > 0) {
1536                          if ($length <= 0) {
1537                              break;
1538                          }
1539                          $len = $length;
1540                          if ($is_utf8) {
1541                              $len = $this->utf8CharBoundary($word, $len);
1542                          } elseif (substr($word, $len - 1, 1) == '=') {
1543                              $len--;
1544                          } elseif (substr($word, $len - 2, 1) == '=') {
1545                              $len -= 2;
1546                          }
1547                          $part = substr($word, 0, $len);
1548                          $word = substr($word, $len);
1549  
1550                          if (strlen($word) > 0) {
1551                              $message .= $part . sprintf('=%s', self::CRLF);
1552                          } else {
1553                              $buf = $part;
1554                          }
1555                      }
1556                  } else {
1557                      $buf_o = $buf;
1558                      $buf .= ($e == 0) ? $word : (' ' . $word);
1559  
1560                      if (strlen($buf) > $length and $buf_o != '') {
1561                          $message .= $buf_o . $soft_break;
1562                          $buf = $word;
1563                      }
1564                  }
1565              }
1566              $message .= $buf . self::CRLF;
1567          }
1568  
1569          return $message;
1570      }
1571  
1572      /**
1573       * Find the last character boundary prior to $maxLength in a utf-8
1574       * quoted (printable) encoded string.
1575       * Original written by Colin Brown.
1576       * @access public
1577       * @param string $encodedText utf-8 QP text
1578       * @param integer $maxLength   find last character boundary prior to this length
1579       * @return integer
1580       */
1581      public function utf8CharBoundary($encodedText, $maxLength)
1582      {
1583          $foundSplitPos = false;
1584          $lookBack = 3;
1585          while (!$foundSplitPos) {
1586              $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
1587              $encodedCharPos = strpos($lastChunk, '=');
1588              if ($encodedCharPos !== false) {
1589                  // Found start of encoded character byte within $lookBack block.
1590                  // Check the encoded byte value (the 2 chars after the '=')
1591                  $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
1592                  $dec = hexdec($hex);
1593                  if ($dec < 128) { // Single byte character.
1594                      // If the encoded char was found at pos 0, it will fit
1595                      // otherwise reduce maxLength to start of the encoded char
1596                      $maxLength = ($encodedCharPos == 0) ? $maxLength :
1597                          $maxLength - ($lookBack - $encodedCharPos);
1598                      $foundSplitPos = true;
1599                  } elseif ($dec >= 192) { // First byte of a multi byte character
1600                      // Reduce maxLength to split at start of character
1601                      $maxLength = $maxLength - ($lookBack - $encodedCharPos);
1602                      $foundSplitPos = true;
1603                  } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
1604                      $lookBack += 3;
1605                  }
1606              } else {
1607                  // No encoded character found
1608                  $foundSplitPos = true;
1609              }
1610          }
1611          return $maxLength;
1612      }
1613  
1614      /**
1615       * Set the body wrapping.
1616       * @access public
1617       * @return void
1618       */
1619      public function setWordWrap()
1620      {
1621          if ($this->WordWrap < 1) {
1622              return;
1623          }
1624  
1625          switch ($this->message_type) {
1626              case 'alt':
1627              case 'alt_inline':
1628              case 'alt_attach':
1629              case 'alt_inline_attach':
1630                  $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
1631                  break;
1632              default:
1633                  $this->Body = $this->wrapText($this->Body, $this->WordWrap);
1634                  break;
1635          }
1636      }
1637  
1638      /**
1639       * Assemble message headers.
1640       * @access public
1641       * @return string The assembled headers
1642       */
1643      public function createHeader()
1644      {
1645          $result = '';
1646  
1647          // Set the boundaries
1648          $uniq_id = md5(uniqid(time()));
1649          $this->boundary[1] = 'b1_' . $uniq_id;
1650          $this->boundary[2] = 'b2_' . $uniq_id;
1651          $this->boundary[3] = 'b3_' . $uniq_id;
1652  
1653          if ($this->MessageDate == '') {
1654              $this->MessageDate = self::rfcDate();
1655          }
1656          $result .= $this->headerLine('Date', $this->MessageDate);
1657  
1658  
1659          // To be created automatically by mail()
1660          if ($this->SingleTo === true) {
1661              if ($this->Mailer != 'mail') {
1662                  foreach ($this->to as $toaddr) {
1663                      $this->SingleToArray[] = $this->addrFormat($toaddr);
1664                  }
1665              }
1666          } else {
1667              if (count($this->to) > 0) {
1668                  if ($this->Mailer != 'mail') {
1669                      $result .= $this->addrAppend('To', $this->to);
1670                  }
1671              } elseif (count($this->cc) == 0) {
1672                  $result .= $this->headerLine('To', 'undisclosed-recipients:;');
1673              }
1674          }
1675  
1676          $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));
1677  
1678          // sendmail and mail() extract Cc from the header before sending
1679          if (count($this->cc) > 0) {
1680              $result .= $this->addrAppend('Cc', $this->cc);
1681          }
1682  
1683          // sendmail and mail() extract Bcc from the header before sending
1684          if ((
1685                  $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
1686              )
1687              and count($this->bcc) > 0
1688          ) {
1689              $result .= $this->addrAppend('Bcc', $this->bcc);
1690          }
1691  
1692          if (count($this->ReplyTo) > 0) {
1693              $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
1694          }
1695  
1696          // mail() sets the subject itself
1697          if ($this->Mailer != 'mail') {
1698              $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
1699          }
1700  
1701          if ($this->MessageID != '') {
1702              $this->lastMessageID = $this->MessageID;
1703          } else {
1704              $this->lastMessageID = sprintf('<%s@%s>', $uniq_id, $this->ServerHostname());
1705          }
1706          $result .= $this->HeaderLine('Message-ID', $this->lastMessageID);
1707          $result .= $this->headerLine('X-Priority', $this->Priority);
1708          if ($this->XMailer == '') {
1709              $result .= $this->headerLine(
1710                  'X-Mailer',
1711                  'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer/)'
1712              );
1713          } else {
1714              $myXmailer = trim($this->XMailer);
1715              if ($myXmailer) {
1716                  $result .= $this->headerLine('X-Mailer', $myXmailer);
1717              }
1718          }
1719  
1720          if ($this->ConfirmReadingTo != '') {
1721              $result .= $this->headerLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
1722          }
1723  
1724          // Add custom headers
1725          for ($index = 0; $index < count($this->CustomHeader); $index++) {
1726              $result .= $this->headerLine(
1727                  trim($this->CustomHeader[$index][0]),
1728                  $this->encodeHeader(trim($this->CustomHeader[$index][1]))
1729              );
1730          }
1731          if (!$this->sign_key_file) {
1732              $result .= $this->headerLine('MIME-Version', '1.0');
1733              $result .= $this->getMailMIME();
1734          }
1735  
1736          return $result;
1737      }
1738  
1739      /**
1740       * Get the message MIME type headers.
1741       * @access public
1742       * @return string
1743       */
1744      public function getMailMIME()
1745      {
1746          $result = '';
1747          $ismultipart = true;
1748          switch ($this->message_type) {
1749              case 'inline':
1750                  $result .= $this->headerLine('Content-Type', 'multipart/related;');
1751                  $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
1752                  break;
1753              case 'attach':
1754              case 'inline_attach':
1755              case 'alt_attach':
1756              case 'alt_inline_attach':
1757                  $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
1758                  $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
1759                  break;
1760              case 'alt':
1761              case 'alt_inline':
1762                  $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
1763                  $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
1764                  break;
1765              default:
1766                  // Catches case 'plain': and case '':
1767                  $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
1768                  $ismultipart = false;
1769                  break;
1770          }
1771          // RFC1341 part 5 says 7bit is assumed if not specified
1772          if ($this->Encoding != '7bit') {
1773              // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
1774              if ($ismultipart) {
1775                  if ($this->Encoding == '8bit') {
1776                      $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
1777                  }
1778                  // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
1779              } else {
1780                  $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
1781              }
1782          }
1783  
1784          if ($this->Mailer != 'mail') {
1785              $result .= $this->LE;
1786          }
1787  
1788          return $result;
1789      }
1790  
1791      /**
1792       * Returns the whole MIME message.
1793       * Includes complete headers and body.
1794       * Only valid post preSend().
1795       * @see PHPMailer::preSend()
1796       * @access public
1797       * @return string
1798       */
1799      public function getSentMIMEMessage()
1800      {
1801          return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody;
1802      }
1803  
1804  
1805      /**
1806       * Assemble the message body.
1807       * Returns an empty string on failure.
1808       * @access public
1809       * @throws phpmailerException
1810       * @return string The assembled message body
1811       */
1812      public function createBody()
1813      {
1814          $body = '';
1815  
1816          if ($this->sign_key_file) {
1817              $body .= $this->getMailMIME() . $this->LE;
1818          }
1819  
1820          $this->setWordWrap();
1821  
1822          $bodyEncoding = $this->Encoding;
1823          $bodyCharSet = $this->CharSet;
1824          if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
1825              $bodyEncoding = '7bit';
1826              $bodyCharSet = 'us-ascii';
1827          }
1828          $altBodyEncoding = $this->Encoding;
1829          $altBodyCharSet = $this->CharSet;
1830          if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
1831              $altBodyEncoding = '7bit';
1832              $altBodyCharSet = 'us-ascii';
1833          }
1834          switch ($this->message_type) {
1835              case 'inline':
1836                  $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
1837                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1838                  $body .= $this->LE . $this->LE;
1839                  $body .= $this->attachAll('inline', $this->boundary[1]);
1840                  break;
1841              case 'attach':
1842                  $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
1843                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1844                  $body .= $this->LE . $this->LE;
1845                  $body .= $this->attachAll('attachment', $this->boundary[1]);
1846                  break;
1847              case 'inline_attach':
1848                  $body .= $this->textLine('--' . $this->boundary[1]);
1849                  $body .= $this->headerLine('Content-Type', 'multipart/related;');
1850                  $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
1851                  $body .= $this->LE;
1852                  $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
1853                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1854                  $body .= $this->LE . $this->LE;
1855                  $body .= $this->attachAll('inline', $this->boundary[2]);
1856                  $body .= $this->LE;
1857                  $body .= $this->attachAll('attachment', $this->boundary[1]);
1858                  break;
1859              case 'alt':
1860                  $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
1861                  $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
1862                  $body .= $this->LE . $this->LE;
1863                  $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
1864                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1865                  $body .= $this->LE . $this->LE;
1866                  if (!empty($this->Ical)) {
1867                      $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
1868                      $body .= $this->encodeString($this->Ical, $this->Encoding);
1869                      $body .= $this->LE . $this->LE;
1870                  }
1871                  $body .= $this->endBoundary($this->boundary[1]);
1872                  break;
1873              case 'alt_inline':
1874                  $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
1875                  $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
1876                  $body .= $this->LE . $this->LE;
1877                  $body .= $this->textLine('--' . $this->boundary[1]);
1878                  $body .= $this->headerLine('Content-Type', 'multipart/related;');
1879                  $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
1880                  $body .= $this->LE;
1881                  $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
1882                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1883                  $body .= $this->LE . $this->LE;
1884                  $body .= $this->attachAll('inline', $this->boundary[2]);
1885                  $body .= $this->LE;
1886                  $body .= $this->endBoundary($this->boundary[1]);
1887                  break;
1888              case 'alt_attach':
1889                  $body .= $this->textLine('--' . $this->boundary[1]);
1890                  $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
1891                  $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
1892                  $body .= $this->LE;
1893                  $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
1894                  $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
1895                  $body .= $this->LE . $this->LE;
1896                  $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
1897                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1898                  $body .= $this->LE . $this->LE;
1899                  $body .= $this->endBoundary($this->boundary[2]);
1900                  $body .= $this->LE;
1901                  $body .= $this->attachAll('attachment', $this->boundary[1]);
1902                  break;
1903              case 'alt_inline_attach':
1904                  $body .= $this->textLine('--' . $this->boundary[1]);
1905                  $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
1906                  $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
1907                  $body .= $this->LE;
1908                  $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
1909                  $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
1910                  $body .= $this->LE . $this->LE;
1911                  $body .= $this->textLine('--' . $this->boundary[2]);
1912                  $body .= $this->headerLine('Content-Type', 'multipart/related;');
1913                  $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
1914                  $body .= $this->LE;
1915                  $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
1916                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1917                  $body .= $this->LE . $this->LE;
1918                  $body .= $this->attachAll('inline', $this->boundary[3]);
1919                  $body .= $this->LE;
1920                  $body .= $this->endBoundary($this->boundary[2]);
1921                  $body .= $this->LE;
1922                  $body .= $this->attachAll('attachment', $this->boundary[1]);
1923                  break;
1924              default:
1925                  // catch case 'plain' and case ''
1926                  $body .= $this->encodeString($this->Body, $bodyEncoding);
1927                  break;
1928          }
1929  
1930          if ($this->isError()) {
1931              $body = '';
1932          } elseif ($this->sign_key_file) {
1933              try {
1934                  if (!defined('PKCS7_TEXT')) {
1935                      throw new phpmailerException($this->lang('signing') . ' OpenSSL extension missing.');
1936                  }
1937                  // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
1938                  $file = tempnam(sys_get_temp_dir(), 'mail');
1939                  file_put_contents($file, $body); // @TODO check this worked
1940                  $signed = tempnam(sys_get_temp_dir(), 'signed');
1941                  if (@openssl_pkcs7_sign(
1942                      $file,
1943                      $signed,
1944                      'file://' . realpath($this->sign_cert_file),
1945                      array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
1946                      null
1947                  )
1948                  ) {
1949                      @unlink($file);
1950                      $body = file_get_contents($signed);
1951                      @unlink($signed);
1952                  } else {
1953                      @unlink($file);
1954                      @unlink($signed);
1955                      throw new phpmailerException($this->lang('signing') . openssl_error_string());
1956                  }
1957              } catch (phpmailerException $exc) {
1958                  $body = '';
1959                  if ($this->exceptions) {
1960                      throw $exc;
1961                  }
1962              }
1963          }
1964          return $body;
1965      }
1966  
1967      /**
1968       * Return the start of a message boundary.
1969       * @access protected
1970       * @param string $boundary
1971       * @param string $charSet
1972       * @param string $contentType
1973       * @param string $encoding
1974       * @return string
1975       */
1976      protected function getBoundary($boundary, $charSet, $contentType, $encoding)
1977      {
1978          $result = '';
1979          if ($charSet == '') {
1980              $charSet = $this->CharSet;
1981          }
1982          if ($contentType == '') {
1983              $contentType = $this->ContentType;
1984          }
1985          if ($encoding == '') {
1986              $encoding = $this->Encoding;
1987          }
1988          $result .= $this->textLine('--' . $boundary);
1989          $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
1990          $result .= $this->LE;
1991          // RFC1341 part 5 says 7bit is assumed if not specified
1992          if ($encoding != '7bit') {
1993              $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
1994          }
1995          $result .= $this->LE;
1996  
1997          return $result;
1998      }
1999  
2000      /**
2001       * Return the end of a message boundary.
2002       * @access protected
2003       * @param string $boundary
2004       * @return string
2005       */
2006      protected function endBoundary($boundary)
2007      {
2008          return $this->LE . '--' . $boundary . '--' . $this->LE;
2009      }
2010  
2011      /**
2012       * Set the message type.
2013       * PHPMailer only supports some preset message types,
2014       * not arbitrary MIME structures.
2015       * @access protected
2016       * @return void
2017       */
2018      protected function setMessageType()
2019      {
2020          $type = array();
2021          if ($this->alternativeExists()) {
2022              $type[] = 'alt';
2023          }
2024          if ($this->inlineImageExists()) {
2025              $type[] = 'inline';
2026          }
2027          if ($this->attachmentExists()) {
2028              $type[] = 'attach';
2029          }
2030          $this->message_type = implode('_', $type);
2031          if ($this->message_type == '') {
2032              $this->message_type = 'plain';
2033          }
2034      }
2035  
2036      /**
2037       * Format a header line.
2038       * @access public
2039       * @param string $name
2040       * @param string $value
2041       * @return string
2042       */
2043      public function headerLine($name, $value)
2044      {
2045          return $name . ': ' . $value . $this->LE;
2046      }
2047  
2048      /**
2049       * Return a formatted mail line.
2050       * @access public
2051       * @param string $value
2052       * @return string
2053       */
2054      public function textLine($value)
2055      {
2056          return $value . $this->LE;
2057      }
2058  
2059      /**
2060       * Add an attachment from a path on the filesystem.
2061       * Returns false if the file could not be found or read.
2062       * @param string $path Path to the attachment.
2063       * @param string $name Overrides the attachment name.
2064       * @param string $encoding File encoding (see $Encoding).
2065       * @param string $type File extension (MIME) type.
2066       * @param string $disposition Disposition to use
2067       * @throws phpmailerException
2068       * @return boolean
2069       */
2070      public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
2071      {
2072          try {
2073              if (!@is_file($path)) {
2074                  throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
2075              }
2076  
2077              // If a MIME type is not specified, try to work it out from the file name
2078              if ($type == '') {
2079                  $type = self::filenameToType($path);
2080              }
2081  
2082              $filename = basename($path);
2083              if ($name == '') {
2084                  $name = $filename;
2085              }
2086  
2087              $this->attachment[] = array(
2088                  0 => $path,
2089                  1 => $filename,
2090                  2 => $name,
2091                  3 => $encoding,
2092                  4 => $type,
2093                  5 => false, // isStringAttachment
2094                  6 => $disposition,
2095                  7 => 0
2096              );
2097  
2098          } catch (phpmailerException $exc) {
2099              $this->setError($exc->getMessage());
2100              $this->edebug($exc->getMessage());
2101              if ($this->exceptions) {
2102                  throw $exc;
2103              }
2104              return false;
2105          }
2106          return true;
2107      }
2108  
2109      /**
2110       * Return the array of attachments.
2111       * @return array
2112       */
2113      public function getAttachments()
2114      {
2115          return $this->attachment;
2116      }
2117  
2118      /**
2119       * Attach all file, string, and binary attachments to the message.
2120       * Returns an empty string on failure.
2121       * @access protected
2122       * @param string $disposition_type
2123       * @param string $boundary
2124       * @return string
2125       */
2126      protected function attachAll($disposition_type, $boundary)
2127      {
2128          // Return text of body
2129          $mime = array();
2130          $cidUniq = array();
2131          $incl = array();
2132  
2133          // Add all attachments
2134          foreach ($this->attachment as $attachment) {
2135              // Check if it is a valid disposition_filter
2136              if ($attachment[6] == $disposition_type) {
2137                  // Check for string attachment
2138                  $string = '';
2139                  $path = '';
2140                  $bString = $attachment[5];
2141                  if ($bString) {
2142                      $string = $attachment[0];
2143                  } else {
2144                      $path = $attachment[0];
2145                  }
2146  
2147                  $inclhash = md5(serialize($attachment));
2148                  if (in_array($inclhash, $incl)) {
2149                      continue;
2150                  }
2151                  $incl[] = $inclhash;
2152                  $name = $attachment[2];
2153                  $encoding = $attachment[3];
2154                  $type = $attachment[4];
2155                  $disposition = $attachment[6];
2156                  $cid = $attachment[7];
2157                  if ($disposition == 'inline' && isset($cidUniq[$cid])) {
2158                      continue;
2159                  }
2160                  $cidUniq[$cid] = true;
2161  
2162                  $mime[] = sprintf('--%s%s', $boundary, $this->LE);
2163                  $mime[] = sprintf(
2164                      'Content-Type: %s; name="%s"%s',
2165                      $type,
2166                      $this->encodeHeader($this->secureHeader($name)),
2167                      $this->LE
2168                  );
2169                  // RFC1341 part 5 says 7bit is assumed if not specified
2170                  if ($encoding != '7bit') {
2171                      $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
2172                  }
2173  
2174                  if ($disposition == 'inline') {
2175                      $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
2176                  }
2177  
2178                  // If a filename contains any of these chars, it should be quoted,
2179                  // but not otherwise: RFC2183 & RFC2045 5.1
2180                  // Fixes a warning in IETF's msglint MIME checker
2181                  // Allow for bypassing the Content-Disposition header totally
2182                  if (!(empty($disposition))) {
2183                      $encoded_name = $this->encodeHeader($this->secureHeader($name));
2184                      if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
2185                          $mime[] = sprintf(
2186                              'Content-Disposition: %s; filename="%s"%s',
2187                              $disposition,
2188                              $encoded_name,
2189                              $this->LE . $this->LE
2190                          );
2191                      } else {
2192                          $mime[] = sprintf(
2193                              'Content-Disposition: %s; filename=%s%s',
2194                              $disposition,
2195                              $encoded_name,
2196                              $this->LE . $this->LE
2197                          );
2198                      }
2199                  } else {
2200                      $mime[] = $this->LE;
2201                  }
2202  
2203                  // Encode as string attachment
2204                  if ($bString) {
2205                      $mime[] = $this->encodeString($string, $encoding);
2206                      if ($this->isError()) {
2207                          return '';
2208                      }
2209                      $mime[] = $this->LE . $this->LE;
2210                  } else {
2211                      $mime[] = $this->encodeFile($path, $encoding);
2212                      if ($this->isError()) {
2213                          return '';
2214                      }
2215                      $mime[] = $this->LE . $this->LE;
2216                  }
2217              }
2218          }
2219  
2220          $mime[] = sprintf('--%s--%s', $boundary, $this->LE);
2221  
2222          return implode('', $mime);
2223      }
2224  
2225      /**
2226       * Encode a file attachment in requested format.
2227       * Returns an empty string on failure.
2228       * @param string $path The full path to the file
2229       * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
2230       * @throws phpmailerException
2231       * @see EncodeFile(encodeFile
2232       * @access protected
2233       * @return string
2234       */
2235      protected function encodeFile($path, $encoding = 'base64')
2236      {
2237          try {
2238              if (!is_readable($path)) {
2239                  throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
2240              }
2241              $magic_quotes = get_magic_quotes_runtime();
2242              if ($magic_quotes) {
2243                  if (version_compare(PHP_VERSION, '5.3.0', '<')) {
2244                      set_magic_quotes_runtime(false);
2245                  } else {
2246                      //Doesn't exist in PHP 5.4, but we don't need to check because
2247                      //get_magic_quotes_runtime always returns false in 5.4+
2248                      //so it will never get here
2249                      ini_set('magic_quotes_runtime', 0);
2250                  }
2251              }
2252              $file_buffer = file_get_contents($path);
2253              $file_buffer = $this->encodeString($file_buffer, $encoding);
2254              if ($magic_quotes) {
2255                  if (version_compare(PHP_VERSION, '5.3.0', '<')) {
2256                      set_magic_quotes_runtime($magic_quotes);
2257                  } else {
2258                      ini_set('magic_quotes_runtime', ($magic_quotes?'1':'0'));
2259                  }
2260              }
2261              return $file_buffer;
2262          } catch (Exception $exc) {
2263              $this->setError($exc->getMessage());
2264              return '';
2265          }
2266      }
2267  
2268      /**
2269       * Encode a string in requested format.
2270       * Returns an empty string on failure.
2271       * @param string $str The text to encode
2272       * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
2273       * @access public
2274       * @return string
2275       */
2276      public function encodeString($str, $encoding = 'base64')
2277      {
2278          $encoded = '';
2279          switch (strtolower($encoding)) {
2280              case 'base64':
2281                  $encoded = chunk_split(base64_encode($str), 76, $this->LE);
2282                  break;
2283              case '7bit':
2284              case '8bit':
2285                  $encoded = $this->fixEOL($str);
2286                  // Make sure it ends with a line break
2287                  if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
2288                      $encoded .= $this->LE;
2289                  }
2290                  break;
2291              case 'binary':
2292                  $encoded = $str;
2293                  break;
2294              case 'quoted-printable':
2295                  $encoded = $this->encodeQP($str);
2296                  break;
2297              default:
2298                  $this->setError($this->lang('encoding') . $encoding);
2299                  break;
2300          }
2301          return $encoded;
2302      }
2303  
2304      /**
2305       * Encode a header string optimally.
2306       * Picks shortest of Q, B, quoted-printable or none.
2307       * @access public
2308       * @param string $str
2309       * @param string $position
2310       * @return string
2311       */
2312      public function encodeHeader($str, $position = 'text')
2313      {
2314          $matchcount = 0;
2315          switch (strtolower($position)) {
2316              case 'phrase':
2317                  if (!preg_match('/[\200-\377]/', $str)) {
2318                      // Can't use addslashes as we don't know the value of magic_quotes_sybase
2319                      $encoded = addcslashes($str, "\0..\37\177\\\"");
2320                      if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
2321                          return ($encoded);
2322                      } else {
2323                          return ("\"$encoded\"");
2324                      }
2325                  }
2326                  $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
2327                  break;
2328              /** @noinspection PhpMissingBreakStatementInspection */
2329              case 'comment':
2330                  $matchcount = preg_match_all('/[()"]/', $str, $matches);
2331                  // Intentional fall-through
2332              case 'text':
2333              default:
2334                  $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
2335                  break;
2336          }
2337  
2338          if ($matchcount == 0) { // There are no chars that need encoding
2339              return ($str);
2340          }
2341  
2342          $maxlen = 75 - 7 - strlen($this->CharSet);
2343          // Try to select the encoding which should produce the shortest output
2344          if ($matchcount > strlen($str) / 3) {
2345              // More than a third of the content will need encoding, so B encoding will be most efficient
2346              $encoding = 'B';
2347              if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
2348                  // Use a custom function which correctly encodes and wraps long
2349                  // multibyte strings without breaking lines within a character
2350                  $encoded = $this->base64EncodeWrapMB($str, "\n");
2351              } else {
2352                  $encoded = base64_encode($str);
2353                  $maxlen -= $maxlen % 4;
2354                  $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
2355              }
2356          } else {
2357              $encoding = 'Q';
2358              $encoded = $this->encodeQ($str, $position);
2359              $encoded = $this->wrapText($encoded, $maxlen, true);
2360              $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
2361          }
2362  
2363          $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
2364          $encoded = trim(str_replace("\n", $this->LE, $encoded));
2365  
2366          return $encoded;
2367      }
2368  
2369      /**
2370       * Check if a string contains multi-byte characters.
2371       * @access public
2372       * @param string $str multi-byte text to wrap encode
2373       * @return boolean
2374       */
2375      public function hasMultiBytes($str)
2376      {
2377          if (function_exists('mb_strlen')) {
2378              return (strlen($str) > mb_strlen($str, $this->CharSet));
2379          } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
2380              return false;
2381          }
2382      }
2383  
2384      /**
2385       * Does a string contain any 8-bit chars (in any charset)?
2386       * @param string $text
2387       * @return boolean
2388       */
2389      public function has8bitChars($text)
2390      {
2391          return (boolean)preg_match('/[\x80-\xFF]/', $text);
2392      }
2393  
2394      /**
2395       * Encode and wrap long multibyte strings for mail headers
2396       * without breaking lines within a character.
2397       * Adapted from a function by paravoid
2398       * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
2399       * @access public
2400       * @param string $str multi-byte text to wrap encode
2401       * @param string $linebreak string to use as linefeed/end-of-line
2402       * @return string
2403       */
2404      public function base64EncodeWrapMB($str, $linebreak = null)
2405      {
2406          $start = '=?' . $this->CharSet . '?B?';
2407          $end = '?=';
2408          $encoded = '';
2409          if ($linebreak === null) {
2410              $linebreak = $this->LE;
2411          }
2412  
2413          $mb_length = mb_strlen($str, $this->CharSet);
2414          // Each line must have length <= 75, including $start and $end
2415          $length = 75 - strlen($start) - strlen($end);
2416          // Average multi-byte ratio
2417          $ratio = $mb_length / strlen($str);
2418          // Base64 has a 4:3 ratio
2419          $avgLength = floor($length * $ratio * .75);
2420  
2421          for ($i = 0; $i < $mb_length; $i += $offset) {
2422              $lookBack = 0;
2423              do {
2424                  $offset = $avgLength - $lookBack;
2425                  $chunk = mb_substr($str, $i, $offset, $this->CharSet);
2426                  $chunk = base64_encode($chunk);
2427                  $lookBack++;
2428              } while (strlen($chunk) > $length);
2429              $encoded .= $chunk . $linebreak;
2430          }
2431  
2432          // Chomp the last linefeed
2433          $encoded = substr($encoded, 0, -strlen($linebreak));
2434          return $encoded;
2435      }
2436  
2437      /**
2438       * Encode a string in quoted-printable format.
2439       * According to RFC2045 section 6.7.
2440       * @access public
2441       * @param string $string The text to encode
2442       * @param integer $line_max Number of chars allowed on a line before wrapping
2443       * @return string
2444       * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
2445       */
2446      public function encodeQP($string, $line_max = 76)
2447      {
2448          if (function_exists('quoted_printable_encode')) { // Use native function if it's available (>= PHP5.3)
2449              return $this->fixEOL(quoted_printable_encode($string));
2450          }
2451          // Fall back to a pure PHP implementation
2452          $string = str_replace(
2453              array('%20', '%0D%0A.', '%0D%0A', '%'),
2454              array(' ', "\r\n=2E", "\r\n", '='),
2455              rawurlencode($string)
2456          );
2457          $string = preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
2458          return $this->fixEOL($string);
2459      }
2460  
2461      /**
2462       * Backward compatibility wrapper for an old QP encoding function that was removed.
2463       * @see PHPMailer::encodeQP()
2464       * @access public
2465       * @param string $string
2466       * @param integer $line_max
2467       * @param boolean $space_conv
2468       * @return string
2469       * @deprecated Use encodeQP instead.
2470       */
2471      public function encodeQPphp(
2472          $string,
2473          $line_max = 76,
2474          /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
2475      ) {
2476          return $this->encodeQP($string, $line_max);
2477      }
2478  
2479      /**
2480       * Encode a string using Q encoding.
2481       * @link http://tools.ietf.org/html/rfc2047
2482       * @param string $str the text to encode
2483       * @param string $position Where the text is going to be used, see the RFC for what that means
2484       * @access public
2485       * @return string
2486       */
2487      public function encodeQ($str, $position = 'text')
2488      {
2489          // There should not be any EOL in the string
2490          $pattern = '';
2491          $encoded = str_replace(array("\r", "\n"), '', $str);
2492          switch (strtolower($position)) {
2493              case 'phrase':
2494                  // RFC 2047 section 5.3
2495                  $pattern = '^A-Za-z0-9!*+\/ -';
2496                  break;
2497              /** @noinspection PhpMissingBreakStatementInspection */
2498              case 'comment':
2499                  // RFC 2047 section 5.2
2500                  $pattern = '\(\)"';
2501                  // intentional fall-through
2502                  // for this reason we build the $pattern without including delimiters and []
2503              case 'text':
2504              default:
2505                  // RFC 2047 section 5.1
2506                  // Replace every high ascii, control, =, ? and _ characters
2507                  $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
2508                  break;
2509          }
2510          $matches = array();
2511          if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
2512              // If the string contains an '=', make sure it's the first thing we replace
2513              // so as to avoid double-encoding
2514              $eqkey = array_search('=', $matches[0]);
2515              if ($eqkey !== false) {
2516                  unset($matches[0][$eqkey]);
2517                  array_unshift($matches[0], '=');
2518              }
2519              foreach (array_unique($matches[0]) as $char) {
2520                  $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
2521              }
2522          }
2523          // Replace every spaces to _ (more readable than =20)
2524          return str_replace(' ', '_', $encoded);
2525      }
2526  
2527  
2528      /**
2529       * Add a string or binary attachment (non-filesystem).
2530       * This method can be used to attach ascii or binary data,
2531       * such as a BLOB record from a database.
2532       * @param string $string String attachment data.
2533       * @param string $filename Name of the attachment.
2534       * @param string $encoding File encoding (see $Encoding).
2535       * @param string $type File extension (MIME) type.
2536       * @param string $disposition Disposition to use
2537       * @return void
2538       */
2539      public function addStringAttachment(
2540          $string,
2541          $filename,
2542          $encoding = 'base64',
2543          $type = '',
2544          $disposition = 'attachment'
2545      ) {
2546          // If a MIME type is not specified, try to work it out from the file name
2547          if ($type == '') {
2548              $type = self::filenameToType($filename);
2549          }
2550          // Append to $attachment array
2551          $this->attachment[] = array(
2552              0 => $string,
2553              1 => $filename,
2554              2 => basename($filename),
2555              3 => $encoding,
2556              4 => $type,
2557              5 => true, // isStringAttachment
2558              6 => $disposition,
2559              7 => 0
2560          );
2561      }
2562  
2563      /**
2564       * Add an embedded (inline) attachment from a file.
2565       * This can include images, sounds, and just about any other document type.
2566       * These differ from 'regular' attachmants in that they are intended to be
2567       * displayed inline with the message, not just attached for download.
2568       * This is used in HTML messages that embed the images
2569       * the HTML refers to using the $cid value.
2570       * @param string $path Path to the attachment.
2571       * @param string $cid Content ID of the attachment; Use this to reference
2572       *        the content when using an embedded image in HTML.
2573       * @param string $name Overrides the attachment name.
2574       * @param string $encoding File encoding (see $Encoding).
2575       * @param string $type File MIME type.
2576       * @param string $disposition Disposition to use
2577       * @return boolean True on successfully adding an attachment
2578       */
2579      public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
2580      {
2581          if (!@is_file($path)) {
2582              $this->setError($this->lang('file_access') . $path);
2583              return false;
2584          }
2585  
2586          // If a MIME type is not specified, try to work it out from the file name
2587          if ($type == '') {
2588              $type = self::filenameToType($path);
2589          }
2590  
2591          $filename = basename($path);
2592          if ($name == '') {
2593              $name = $filename;
2594          }
2595  
2596          // Append to $attachment array
2597          $this->attachment[] = array(
2598              0 => $path,
2599              1 => $filename,
2600              2 => $name,
2601              3 => $encoding,
2602              4 => $type,
2603              5 => false, // isStringAttachment
2604              6 => $disposition,
2605              7 => $cid
2606          );
2607          return true;
2608      }
2609  
2610      /**
2611       * Add an embedded stringified attachment.
2612       * This can include images, sounds, and just about any other document type.
2613       * Be sure to set the $type to an image type for images:
2614       * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
2615       * @param string $string The attachment binary data.
2616       * @param string $cid Content ID of the attachment; Use this to reference
2617       *        the content when using an embedded image in HTML.
2618       * @param string $name
2619       * @param string $encoding File encoding (see $Encoding).
2620       * @param string $type MIME type.
2621       * @param string $disposition Disposition to use
2622       * @return boolean True on successfully adding an attachment
2623       */
2624      public function addStringEmbeddedImage(
2625          $string,
2626          $cid,
2627          $name = '',
2628          $encoding = 'base64',
2629          $type = '',
2630          $disposition = 'inline'
2631      ) {
2632          // If a MIME type is not specified, try to work it out from the name
2633          if ($type == '') {
2634              $type = self::filenameToType($name);
2635          }
2636  
2637          // Append to $attachment array
2638          $this->attachment[] = array(
2639              0 => $string,
2640              1 => $name,
2641              2 => $name,
2642              3 => $encoding,
2643              4 => $type,
2644              5 => true, // isStringAttachment
2645              6 => $disposition,
2646              7 => $cid
2647          );
2648          return true;
2649      }
2650  
2651      /**
2652       * Check if an inline attachment is present.
2653       * @access public
2654       * @return boolean
2655       */
2656      public function inlineImageExists()
2657      {
2658          foreach ($this->attachment as $attachment) {
2659              if ($attachment[6] == 'inline') {
2660                  return true;
2661              }
2662          }
2663          return false;
2664      }
2665  
2666      /**
2667       * Check if an attachment (non-inline) is present.
2668       * @return boolean
2669       */
2670      public function attachmentExists()
2671      {
2672          foreach ($this->attachment as $attachment) {
2673              if ($attachment[6] == 'attachment') {
2674                  return true;
2675              }
2676          }
2677          return false;
2678      }
2679  
2680      /**
2681       * Check if this message has an alternative body set.
2682       * @return boolean
2683       */
2684      public function alternativeExists()
2685      {
2686          return !empty($this->AltBody);
2687      }
2688  
2689      /**
2690       * Clear all To recipients.
2691       * @return void
2692       */
2693      public function clearAddresses()
2694      {
2695          foreach ($this->to as $to) {
2696              unset($this->all_recipients[strtolower($to[0])]);
2697          }
2698          $this->to = array();
2699      }
2700  
2701      /**
2702       * Clear all CC recipients.
2703       * @return void
2704       */
2705      public function clearCCs()
2706      {
2707          foreach ($this->cc as $cc) {
2708              unset($this->all_recipients[strtolower($cc[0])]);
2709          }
2710          $this->cc = array();
2711      }
2712  
2713      /**
2714       * Clear all BCC recipients.
2715       * @return void
2716       */
2717      public function clearBCCs()
2718      {
2719          foreach ($this->bcc as $bcc) {
2720              unset($this->all_recipients[strtolower($bcc[0])]);
2721          }
2722          $this->bcc = array();
2723      }
2724  
2725      /**
2726       * Clear all ReplyTo recipients.
2727       * @return void
2728       */
2729      public function clearReplyTos()
2730      {
2731          $this->ReplyTo = array();
2732      }
2733  
2734      /**
2735       * Clear all recipient types.
2736       * @return void
2737       */
2738      public function clearAllRecipients()
2739      {
2740          $this->to = array();
2741          $this->cc = array();
2742          $this->bcc = array();
2743          $this->all_recipients = array();
2744      }
2745  
2746      /**
2747       * Clear all filesystem, string, and binary attachments.
2748       * @return void
2749       */
2750      public function clearAttachments()
2751      {
2752          $this->attachment = array();
2753      }
2754  
2755      /**
2756       * Clear all custom headers.
2757       * @return void
2758       */
2759      public function clearCustomHeaders()
2760      {
2761          $this->CustomHeader = array();
2762      }
2763  
2764      /**
2765       * Add an error message to the error container.
2766       * @access protected
2767       * @param string $msg
2768       * @return void
2769       */
2770      protected function setError($msg)
2771      {
2772          $this->error_count++;
2773          if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
2774              $lasterror = $this->smtp->getError();
2775              if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
2776                  $msg .= '<p>' . $this->lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
2777              }
2778          }
2779          $this->ErrorInfo = $msg;
2780      }
2781  
2782      /**
2783       * Return an RFC 822 formatted date.
2784       * @access public
2785       * @return string
2786       * @static
2787       */
2788      public static function rfcDate()
2789      {
2790          // Set the time zone to whatever the default is to avoid 500 errors
2791          // Will default to UTC if it's not set properly in php.ini
2792          date_default_timezone_set(@date_default_timezone_get());
2793          return date('D, j M Y H:i:s O');
2794      }
2795  
2796      /**
2797       * Get the server hostname.
2798       * Returns 'localhost.localdomain' if unknown.
2799       * @access protected
2800       * @return string
2801       */
2802      protected function serverHostname()
2803      {
2804          $result = 'localhost.localdomain';
2805          if (!empty($this->Hostname)) {
2806              $result = $this->Hostname;
2807          } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
2808              $result = $_SERVER['SERVER_NAME'];
2809          } elseif (function_exists('gethostname') && gethostname() !== false) {
2810              $result = gethostname();
2811          } elseif (php_uname('n') !== false) {
2812              $result = php_uname('n');
2813          }
2814          return $result;
2815      }
2816  
2817      /**
2818       * Get an error message in the current language.
2819       * @access protected
2820       * @param string $key
2821       * @return string
2822       */
2823      protected function lang($key)
2824      {
2825          if (count($this->language) < 1) {
2826              $this->setLanguage('en'); // set the default language
2827          }
2828  
2829          if (isset($this->language[$key])) {
2830              return $this->language[$key];
2831          } else {
2832              return 'Language string failed to load: ' . $key;
2833          }
2834      }
2835  
2836      /**
2837       * Check if an error occurred.
2838       * @access public
2839       * @return boolean True if an error did occur.
2840       */
2841      public function isError()
2842      {
2843          return ($this->error_count > 0);
2844      }
2845  
2846      /**
2847       * Ensure consistent line endings in a string.
2848       * Changes every end of line from CRLF, CR or LF to $this->LE.
2849       * @access public
2850       * @param string $str String to fixEOL
2851       * @return string
2852       */
2853      public function fixEOL($str)
2854      {
2855          // Normalise to \n
2856          $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
2857          // Now convert LE as needed
2858          if ($this->LE !== "\n") {
2859              $nstr = str_replace("\n", $this->LE, $nstr);
2860          }
2861          return $nstr;
2862      }
2863  
2864      /**
2865       * Add a custom header.
2866       * $name value can be overloaded to contain
2867       * both header name and value (name:value)
2868       * @access public
2869       * @param string $name Custom header name
2870       * @param string $value Header value
2871       * @return void
2872       */
2873      public function addCustomHeader($name, $value = null)
2874      {
2875          if ($value === null) {
2876              // Value passed in as name:value
2877              $this->CustomHeader[] = explode(':', $name, 2);
2878          } else {
2879              $this->CustomHeader[] = array($name, $value);
2880          }
2881      }
2882  
2883      /**
2884       * Create a message from an HTML string.
2885       * Automatically makes modifications for inline images and backgrounds
2886       * and creates a plain-text version by converting the HTML.
2887       * Overwrites any existing values in $this->Body and $this->AltBody
2888       * @access public
2889       * @param string $message HTML message string
2890       * @param string $basedir baseline directory for path
2891       * @param boolean $advanced Whether to use the advanced HTML to text converter
2892       * @return string $message
2893       */
2894      public function msgHTML($message, $basedir = '', $advanced = false)
2895      {
2896          preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
2897          if (isset($images[2])) {
2898              foreach ($images[2] as $imgindex => $url) {
2899                  // Convert data URIs into embedded images
2900                  if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
2901                      $data = substr($url, strpos($url, ','));
2902                      if ($match[2]) {
2903                          $data = base64_decode($data);
2904                      } else {
2905                          $data = rawurldecode($data);
2906                      }
2907                      $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
2908                      if ($this->addStringEmbeddedImage($data, $cid, '', 'base64', $match[1])) {
2909                          $message = preg_replace(
2910                              '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
2911                              $images[1][$imgindex] . '="cid:' . $cid . '"',
2912                              $message
2913                          );
2914                      }
2915                  } elseif (!preg_match('#^[A-z]+://#', $url)) {
2916                      // Do not change urls for absolute images (thanks to corvuscorax)
2917                      $filename = basename($url);
2918                      $directory = dirname($url);
2919                      if ($directory == '.') {
2920                          $directory = '';
2921                      }
2922                      $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
2923                      if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
2924                          $basedir .= '/';
2925                      }
2926                      if (strlen($directory) > 1 && substr($directory, -1) != '/') {
2927                          $directory .= '/';
2928                      }
2929                      if ($this->addEmbeddedImage(
2930                          $basedir . $directory . $filename,
2931                          $cid,
2932                          $filename,
2933                          'base64',
2934                          self::_mime_types(self::mb_pathinfo($filename, PATHINFO_EXTENSION))
2935                      )
2936                      ) {
2937                          $message = preg_replace(
2938                              '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
2939                              $images[1][$imgindex] . '="cid:' . $cid . '"',
2940                              $message
2941                          );
2942                      }
2943                  }
2944              }
2945          }
2946          $this->isHTML(true);
2947          // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
2948          $this->Body = $this->normalizeBreaks($message);
2949          $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
2950          if (empty($this->AltBody)) {
2951              $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
2952                  self::CRLF . self::CRLF;
2953          }
2954          return $this->Body;
2955      }
2956  
2957      /**
2958       * Convert an HTML string into plain text.
2959       * @param string $html The HTML text to convert
2960       * @param boolean $advanced Should this use the more complex html2text converter or just a simple one?
2961       * @return string
2962       */
2963      public function html2text($html, $advanced = false)
2964      {
2965          if ($advanced) {
2966              require_once 'extras/class.html2text.php';
2967              $htmlconverter = new html2text($html);
2968              return $htmlconverter->get_text();
2969          }
2970          return html_entity_decode(
2971              trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
2972              ENT_QUOTES,
2973              $this->CharSet
2974          );
2975      }
2976  
2977      /**
2978       * Get the MIME type for a file extension.
2979       * @param string $ext File extension
2980       * @access public
2981       * @return string MIME type of file.
2982       * @static
2983       */
2984      public static function _mime_types($ext = '')
2985      {
2986          $mimes = array(
2987              'xl' => 'application/excel',
2988              'hqx' => 'application/mac-binhex40',
2989              'cpt' => 'application/mac-compactpro',
2990              'bin' => 'application/macbinary',
2991              'doc' => 'application/msword',
2992              'word' => 'application/msword',
2993              'class' => 'application/octet-stream',
2994              'dll' => 'application/octet-stream',
2995              'dms' => 'application/octet-stream',
2996              'exe' => 'application/octet-stream',
2997              'lha' => 'application/octet-stream',
2998              'lzh' => 'application/octet-stream',
2999              'psd' => 'application/octet-stream',
3000              'sea' => 'application/octet-stream',
3001              'so' => 'application/octet-stream',
3002              'oda' => 'application/oda',
3003              'pdf' => 'application/pdf',
3004              'ai' => 'application/postscript',
3005              'eps' => 'application/postscript',
3006              'ps' => 'application/postscript',
3007              'smi' => 'application/smil',
3008              'smil' => 'application/smil',
3009              'mif' => 'application/vnd.mif',
3010              'xls' => 'application/vnd.ms-excel',
3011              'ppt' => 'application/vnd.ms-powerpoint',
3012              'wbxml' => 'application/vnd.wap.wbxml',
3013              'wmlc' => 'application/vnd.wap.wmlc',
3014              'dcr' => 'application/x-director',
3015              'dir' => 'application/x-director',
3016              'dxr' => 'application/x-director',
3017              'dvi' => 'application/x-dvi',
3018              'gtar' => 'application/x-gtar',
3019              'php3' => 'application/x-httpd-php',
3020              'php4' => 'application/x-httpd-php',
3021              'php' => 'application/x-httpd-php',
3022              'phtml' => 'application/x-httpd-php',
3023              'phps' => 'application/x-httpd-php-source',
3024              'js' => 'application/x-javascript',
3025              'swf' => 'application/x-shockwave-flash',
3026              'sit' => 'application/x-stuffit',
3027              'tar' => 'application/x-tar',
3028              'tgz' => 'application/x-tar',
3029              'xht' => 'application/xhtml+xml',
3030              'xhtml' => 'application/xhtml+xml',
3031              'zip' => 'application/zip',
3032              'mid' => 'audio/midi',
3033              'midi' => 'audio/midi',
3034              'mp2' => 'audio/mpeg',
3035              'mp3' => 'audio/mpeg',
3036              'mpga' => 'audio/mpeg',
3037              'aif' => 'audio/x-aiff',
3038              'aifc' => 'audio/x-aiff',
3039              'aiff' => 'audio/x-aiff',
3040              'ram' => 'audio/x-pn-realaudio',
3041              'rm' => 'audio/x-pn-realaudio',
3042              'rpm' => 'audio/x-pn-realaudio-plugin',
3043              'ra' => 'audio/x-realaudio',
3044              'wav' => 'audio/x-wav',
3045              'bmp' => 'image/bmp',
3046              'gif' => 'image/gif',
3047              'jpeg' => 'image/jpeg',
3048              'jpe' => 'image/jpeg',
3049              'jpg' => 'image/jpeg',
3050              'png' => 'image/png',
3051              'tiff' => 'image/tiff',
3052              'tif' => 'image/tiff',
3053              'eml' => 'message/rfc822',
3054              'css' => 'text/css',
3055              'html' => 'text/html',
3056              'htm' => 'text/html',
3057              'shtml' => 'text/html',
3058              'log' => 'text/plain',
3059              'text' => 'text/plain',
3060              'txt' => 'text/plain',
3061              'rtx' => 'text/richtext',
3062              'rtf' => 'text/rtf',
3063              'vcf' => 'text/vcard',
3064              'vcard' => 'text/vcard',
3065              'xml' => 'text/xml',
3066              'xsl' => 'text/xml',
3067              'mpeg' => 'video/mpeg',
3068              'mpe' => 'video/mpeg',
3069              'mpg' => 'video/mpeg',
3070              'mov' => 'video/quicktime',
3071              'qt' => 'video/quicktime',
3072              'rv' => 'video/vnd.rn-realvideo',
3073              'avi' => 'video/x-msvideo',
3074              'movie' => 'video/x-sgi-movie'
3075          );
3076          return (array_key_exists(strtolower($ext), $mimes) ? $mimes[strtolower($ext)]: 'application/octet-stream');
3077      }
3078  
3079      /**
3080       * Map a file name to a MIME type.
3081       * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
3082       * @param string $filename A file name or full path, does not need to exist as a file
3083       * @return string
3084       * @static
3085       */
3086      public static function filenameToType($filename)
3087      {
3088          // In case the path is a URL, strip any query string before getting extension
3089          $qpos = strpos($filename, '?');
3090          if ($qpos !== false) {
3091              $filename = substr($filename, 0, $qpos);
3092          }
3093          $pathinfo = self::mb_pathinfo($filename);
3094          return self::_mime_types($pathinfo['extension']);
3095      }
3096  
3097      /**
3098       * Multi-byte-safe pathinfo replacement.
3099       * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
3100       * Works similarly to the one in PHP >= 5.2.0
3101       * @link http://www.php.net/manual/en/function.pathinfo.php#107461
3102       * @param string $path A filename or path, does not need to exist as a file
3103       * @param integer|string $options Either a PATHINFO_* constant,
3104       *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
3105       * @return string|array
3106       * @static
3107       */
3108      public static function mb_pathinfo($path, $options = null)
3109      {
3110          $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
3111          $pathinfo = array();
3112          if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
3113              if (array_key_exists(1, $pathinfo)) {
3114                  $ret['dirname'] = $pathinfo[1];
3115              }
3116              if (array_key_exists(2, $pathinfo)) {
3117                  $ret['basename'] = $pathinfo[2];
3118              }
3119              if (array_key_exists(5, $pathinfo)) {
3120                  $ret['extension'] = $pathinfo[5];
3121              }
3122              if (array_key_exists(3, $pathinfo)) {
3123                  $ret['filename'] = $pathinfo[3];
3124              }
3125          }
3126          switch ($options) {
3127              case PATHINFO_DIRNAME:
3128              case 'dirname':
3129                  return $ret['dirname'];
3130              case PATHINFO_BASENAME:
3131              case 'basename':
3132                  return $ret['basename'];
3133              case PATHINFO_EXTENSION:
3134              case 'extension':
3135                  return $ret['extension'];
3136              case PATHINFO_FILENAME:
3137              case 'filename':
3138                  return $ret['filename'];
3139              default:
3140                  return $ret;
3141          }
3142      }
3143  
3144      /**
3145       * Set or reset instance properties.
3146       *
3147       * Usage Example:
3148       * $page->set('X-Priority', '3');
3149       *
3150       * @access public
3151       * @param string $name
3152       * @param mixed $value
3153       * NOTE: will not work with arrays, there are no arrays to set/reset
3154       * @throws phpmailerException
3155       * @return boolean
3156       * @TODO Should this not be using __set() magic function?
3157       */
3158      public function set($name, $value = '')
3159      {
3160          try {
3161              if (isset($this->$name)) {
3162                  $this->$name = $value;
3163              } else {
3164                  throw new phpmailerException($this->lang('variable_set') . $name, self::STOP_CRITICAL);
3165              }
3166          } catch (Exception $exc) {
3167              $this->setError($exc->getMessage());
3168              if ($exc->getCode() == self::STOP_CRITICAL) {
3169                  return false;
3170              }
3171          }
3172          return true;
3173      }
3174  
3175      /**
3176       * Strip newlines to prevent header injection.
3177       * @access public
3178       * @param string $str
3179       * @return string
3180       */
3181      public function secureHeader($str)
3182      {
3183          return trim(str_replace(array("\r", "\n"), '', $str));
3184      }
3185  
3186      /**
3187       * Normalize line breaks in a string.
3188       * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
3189       * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
3190       * @param string $text
3191       * @param string $breaktype What kind of line break to use, defaults to CRLF
3192       * @return string
3193       * @access public
3194       * @static
3195       */
3196      public static function normalizeBreaks($text, $breaktype = "\r\n")
3197      {
3198          return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
3199      }
3200  
3201  
3202      /**
3203       * Set the public and private key files and password for S/MIME signing.
3204       * @access public
3205       * @param string $cert_filename
3206       * @param string $key_filename
3207       * @param string $key_pass Password for private key
3208       */
3209      public function sign($cert_filename, $key_filename, $key_pass)
3210      {
3211          $this->sign_cert_file = $cert_filename;
3212          $this->sign_key_file = $key_filename;
3213          $this->sign_key_pass = $key_pass;
3214      }
3215  
3216      /**
3217       * Quoted-Printable-encode a DKIM header.
3218       * @access public
3219       * @param string $txt
3220       * @return string
3221       */
3222      public function DKIM_QP($txt)
3223      {
3224          $line = '';
3225          for ($i = 0; $i < strlen($txt); $i++) {
3226              $ord = ord($txt[$i]);
3227              if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
3228                  $line .= $txt[$i];
3229              } else {
3230                  $line .= '=' . sprintf('%02X', $ord);
3231              }
3232          }
3233          return $line;
3234      }
3235  
3236      /**
3237       * Generate a DKIM signature.
3238       * @access public
3239       * @param string $signHeader
3240       * @throws phpmailerException
3241       * @return string
3242       */
3243      public function DKIM_Sign($signHeader)
3244      {
3245          if (!defined('PKCS7_TEXT')) {
3246              if ($this->exceptions) {
3247                  throw new phpmailerException($this->lang('signing') . ' OpenSSL extension missing.');
3248              }
3249              return '';
3250          }
3251          $privKeyStr = file_get_contents($this->DKIM_private);
3252          if ($this->DKIM_passphrase != '') {
3253              $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
3254          } else {
3255              $privKey = $privKeyStr;
3256          }
3257          if (openssl_sign($signHeader, $signature, $privKey)) {
3258              return base64_encode($signature);
3259          }
3260          return '';
3261      }
3262  
3263      /**
3264       * Generate a DKIM canonicalization header.
3265       * @access public
3266       * @param string $signHeader Header
3267       * @return string
3268       */
3269      public function DKIM_HeaderC($signHeader)
3270      {
3271          $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
3272          $lines = explode("\r\n", $signHeader);
3273          foreach ($lines as $key => $line) {
3274              list($heading, $value) = explode(':', $line, 2);
3275              $heading = strtolower($heading);
3276              $value = preg_replace('/\s+/', ' ', $value); // Compress useless spaces
3277              $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
3278          }
3279          $signHeader = implode("\r\n", $lines);
3280          return $signHeader;
3281      }
3282  
3283      /**
3284       * Generate a DKIM canonicalization body.
3285       * @access public
3286       * @param string $body Message Body
3287       * @return string
3288       */
3289      public function DKIM_BodyC($body)
3290      {
3291          if ($body == '') {
3292              return "\r\n";
3293          }
3294          // stabilize line endings
3295          $body = str_replace("\r\n", "\n", $body);
3296          $body = str_replace("\n", "\r\n", $body);
3297          // END stabilize line endings
3298          while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
3299              $body = substr($body, 0, strlen($body) - 2);
3300          }
3301          return $body;
3302      }
3303  
3304      /**
3305       * Create the DKIM header and body in a new message header.
3306       * @access public
3307       * @param string $headers_line Header lines
3308       * @param string $subject Subject
3309       * @param string $body Body
3310       * @return string
3311       */
3312      public function DKIM_Add($headers_line, $subject, $body)
3313      {
3314          $DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
3315          $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
3316          $DKIMquery = 'dns/txt'; // Query method
3317          $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
3318          $subject_header = "Subject: $subject";
3319          $headers = explode($this->LE, $headers_line);
3320          $from_header = '';
3321          $to_header = '';
3322          $current = '';
3323          foreach ($headers as $header) {
3324              if (strpos($header, 'From:') === 0) {
3325                  $from_header = $header;
3326                  $current = 'from_header';
3327              } elseif (strpos($header, 'To:') === 0) {
3328                  $to_header = $header;
3329                  $current = 'to_header';
3330              } else {
3331                  if ($current && strpos($header, ' =?') === 0) {
3332                      $current .= $header;
3333                  } else {
3334                      $current = '';
3335                  }
3336              }
3337          }
3338          $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
3339          $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
3340          $subject = str_replace(
3341              '|',
3342              '=7C',
3343              $this->DKIM_QP($subject_header)
3344          ); // Copied header fields (dkim-quoted-printable)
3345          $body = $this->DKIM_BodyC($body);
3346          $DKIMlen = strlen($body); // Length of body
3347          $DKIMb64 = base64_encode(pack('H*', sha1($body))); // Base64 of packed binary SHA-1 hash of body
3348          $ident = ($this->DKIM_identity == '') ? '' : ' i=' . $this->DKIM_identity . ';';
3349          $dkimhdrs = 'DKIM-Signature: v=1; a=' .
3350              $DKIMsignatureType . '; q=' .
3351              $DKIMquery . '; l=' .
3352              $DKIMlen . '; s=' .
3353              $this->DKIM_selector .
3354              ";\r\n" .
3355              "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
3356              "\th=From:To:Subject;\r\n" .
3357              "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
3358              "\tz=$from\r\n" .
3359              "\t|$to\r\n" .
3360              "\t|$subject;\r\n" .
3361              "\tbh=" . $DKIMb64 . ";\r\n" .
3362              "\tb=";
3363          $toSign = $this->DKIM_HeaderC(
3364              $from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs
3365          );
3366          $signed = $this->DKIM_Sign($toSign);
3367          return $dkimhdrs . $signed . "\r\n";
3368      }
3369  
3370      /**
3371       * Allows for public read access to 'to' property.
3372       * @access public
3373       * @return array
3374       */
3375      public function getToAddresses()
3376      {
3377          return $this->to;
3378      }
3379  
3380      /**
3381       * Allows for public read access to 'cc' property.
3382       * @access public
3383       * @return array
3384       */
3385      public function getCcAddresses()
3386      {
3387          return $this->cc;
3388      }
3389  
3390      /**
3391       * Allows for public read access to 'bcc' property.
3392       * @access public
3393       * @return array
3394       */
3395      public function getBccAddresses()
3396      {
3397          return $this->bcc;
3398      }
3399  
3400      /**
3401       * Allows for public read access to 'ReplyTo' property.
3402       * @access public
3403       * @return array
3404       */
3405      public function getReplyToAddresses()
3406      {
3407          return $this->ReplyTo;
3408      }
3409  
3410      /**
3411       * Allows for public read access to 'all_recipients' property.
3412       * @access public
3413       * @return array
3414       */
3415      public function getAllRecipientAddresses()
3416      {
3417          return $this->all_recipients;
3418      }
3419  
3420      /**
3421       * Perform a callback.
3422       * @param boolean $isSent
3423       * @param array $to
3424       * @param array $cc
3425       * @param array $bcc
3426       * @param string $subject
3427       * @param string $body
3428       * @param string $from
3429       */
3430      protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
3431      {
3432          if (!empty($this->action_function) && is_callable($this->action_function)) {
3433              $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
3434              call_user_func_array($this->action_function, $params);
3435          }
3436      }
3437  }
3438  
3439  /**
3440   * PHPMailer exception handler
3441   * @package PHPMailer
3442   */
3443  class phpmailerException extends Exception
3444  {
3445      /**
3446       * Prettify error message output
3447       * @return string
3448       */
3449      public function errorMessage()
3450      {
3451          $errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";
3452          return $errorMsg;
3453      }
3454  }